When @Jeff Booth says we're in fold 34 and 50 folds would get us to the sun, here's what he means 

Here is the table showing the value of doubling starting from 1 over 50 iterations:

| Iteration | Value               |
|-----------|----------------------|
| 0         | 1                    |
| 1         | 2                    |
| 2         | 4                    |
| 3         | 8                    |
| 4         | 16                   |
| 5         | 32                   |
| 6         | 64                   |
| 7         | 128                  |
| 8         | 256                  |
| 9         | 512                  |
| 10        | 1024                 |
| 11        | 2048                 |
| 12        | 4096                 |
| 13        | 8192                 |
| 14        | 16384                |
| 15        | 32768                |
| 16        | 65536                |
| 17        | 131072               |
| 18        | 262144               |
| 19        | 524288               |
| 20        | 1048576              |
| 21        | 2097152              |
| 22        | 4194304              |
| 23        | 8388608              |
| 24        | 16777216             |
| 25        | 33554432             |
| 26        | 67108864             |
| 27        | 134217728            |
| 28        | 268435456            |
| 29        | 536870912            |
| 30        | 1073741824           |
| 31        | 2147483648           |
| 32        | 4294967296           |
| 33        | 8589934592           |
| 34        | 17179869184          |
| 35        | 34359738368          |
| 36        | 68719476736          |
| 37        | 137438953472         |
| 38        | 274877906944         |
| 39        | 549755813888         |
| 40        | 1099511627776        |
| 41        | 2199023255552        |
| 42        | 4398046511104        |
| 43        | 8796093022208        |
| 44        | 17592186044416       |
| 45        | 35184372088832       |
| 46        | 70368744177664       |
| 47        | 140737488355328      |
| 48        | 281474976710656      |
| 49        | 562949953421312      |
| 50        | 1125899906842624     |