No, I don't think so.
http://www.wolframalpha.com/input/?i=is+...(2%5E64-1)
http://www.wolframalpha.com/input/?i=62%5E12+to+base+16 (click More under Other Data Types)
http://www.wolframalpha.com/input/?i=is+...(2%5E64-1)
http://www.wolframalpha.com/input/?i=62%5E12+to+base+16 (click More under Other Data Types)
Quote:unsigned 64-bit integer | 00106830e80e72e5 (overflow: truncated to 64 bits)
unsigned 128-bit integer | 00106830e80e72e5ae00000000000000