Perfect Square
999999992000000023999999968000000016 is a perfect square (999999996000000004 × 999999996000000004)
999999992000000023999999968000000016 is a perfect square (999999996000000004 × 999999996000000004)
11000000 10010111 11001110 01100001 11101111 10010101 00110010 00000001 11011000 10111101 11111000 11111110 00000110 11000000 00010000
999999992000000023999999968000000016 is even
Previous even number is 999999992000000023999999968000000014
Next even number is 999999992000000023999999968000000018
999999976000000263999998240000007919999974656000059135999898624000126719999887360000067583999975424000004096
999999984000000111999999552000001119999998208000001791999998976000000256