Search a number
-
+
80737812736 = 2872432592
BaseRepresentation
bin100101100110001011…
…0010100000100000000
321201101202102211210121
41023030112110010000
52310322340001421
6101031311310024
75555521041100
oct1131426240400
9251352384717
1080737812736
1131271432779
1213792b1b314
1377c8c532b9
143c9cb57200
15217815ed41
hex12cc594100

80737812736 has 243 divisors, whose sum is σ = 195241572351. Its totient is φ = 33224389632.

The previous prime is 80737812719. The next prime is 80737812767. The reversal of 80737812736 is 63721873708.

The square root of 80737812736 is 284144.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1368437475 + ... + 1368437533.

Almost surely, 280737812736 is an apocalyptic number.

80737812736 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

80737812736 is the 284144-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80737812736

80737812736 is an abundant number, since it is smaller than the sum of its proper divisors (114503759615).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80737812736 is an frugal number, since it uses more digits than its factorization.

80737812736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 80737812736 in words is "eighty billion, seven hundred thirty-seven million, eight hundred twelve thousand, seven hundred thirty-six".