Perfect Square
198991205005428235060777216 is a perfect square (14106424245904 × 14106424245904)
198991205005428235060777216 is a perfect square (14106424245904 × 14106424245904)
10100100 10011010 00000110 11010110 10101111 11000111 10010011 11010101 00000010 00010001 00000000
198991205005428235060777216 is even
Previous even number is 198991205005428235060777214
Next even number is 198991205005428235060777218
7879554174438312221998018496169495860557640493396867233516110677253156237213696