Perfect Square
64072994664780771336776429865481440100 is a perfect square (8004560866454872010 × 8004560866454872010)
64072994664780771336776429865481440100 is a perfect square (8004560866454872010 × 8004560866454872010)
64072994664780771336776429865481440100 is even
Previous even number is 64072994664780771336776429865481440098
Next even number is 64072994664780771336776429865481440102
263041981848206430048530183521113469957683316652687163925755503313576649496529711310776184829894761290523201000000
4105348645313025188286770279344256751900038584676173474368928957569888010000
110000001101000000001010001001001001001100100000111011100001111101101001001110101111011110111101010000001001101000101101100100