a heavy modification of 2048 but except its raised to 2^63
FUN FACT : every exponent of 2 subtracted by 1 are mersenne numbers Mersenne Primes : 3 (2^2 - 1) M2 7 (2^3 - 1) M3 31 (2^5 - 1) M5 127 (2^7 - 1) M7 8191 (2^13 - 1) M13 131071 (2^17 - 1) M17 524287 (2^19 - 1) M19 2147483647 (2^31 - 1) M31 2305843009213693951 (2^61 - 1) M61