Hack into a Lottery

C, 26 bytes

main(){printf("%lu",~0l);}

Prints a unsigned long value.

Requires the size of long to be 64 bits.

64-bit SBCL Common Lisp, 18 bytes

most-positive-word

Most positive word on 64-bit compiler is 64uint. It's something.

CJam (4 bytes)

GG#(

Online demo

This calculates 16¹⁶ - 1 using builtin G for 16 and the decrement operator (.