Perfect Square
999999992000000016000000000000000000 is a perfect square (999999996000000000 × 999999996000000000)
999999992000000016000000000000000000 is a perfect square (999999996000000000 × 999999996000000000)
11000000 10010111 11001110 01100001 11101111 10010101 00110001 10010010 11010011 00001000 01100011 00110110 01000000 00000000 00000000
999999992000000016000000000000000000 is even
Previous even number is 999999992000000015999999999999999998
Next even number is 999999992000000016000000000000000002
999999976000000239999998720000003839999993856000004096000000000000000000000000000000000000000000000000000000
999999984000000095999999744000000256000000000000000000000000000000000000