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72380516890276 = 2274868132
BaseRepresentation
bin10000011101010001100110…
…111111110111011010100100
3100111021111202200010110200001
4100131101212333313122210
533441340244310442101
6413535052254031044
721150214453240000
oct2035214677673244
9314244680113601
1072380516890276
112107644a912631
12814b9b47a8484
1331505b831b6ca
1413c3342b03700
15857bb3c03901
hex41d466ff76a4

72380516890276 has 45 divisors (see below), whose sum is σ = 147769798233281. Its totient is φ = 31019864202096.

The previous prime is 72380516890247. The next prime is 72380516890289. The reversal of 72380516890276 is 67209861508327.

The square root of 72380516890276 is 8507674.

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

It can be written as a sum of positive squares in only one way, i.e., 51692792652900 + 20687724237376 = 7189770^2 + 4548376^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 833708646 + ... + 833795458.

Almost surely, 272380516890276 is an apocalyptic number.

72380516890276 is the 8507674-th square number.

It is an amenable number.

72380516890276 is an abundant number, since it is smaller than the sum of its proper divisors (75389281343005).

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

72380516890276 is an frugal number, since it uses more digits than its factorization.

72380516890276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173658 (or 86822 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 64.

The spelling of 72380516890276 in words is "seventy-two trillion, three hundred eighty billion, five hundred sixteen million, eight hundred ninety thousand, two hundred seventy-six".

Divisors: 1 2 4 7 14 28 49 98 196 343 686 1372 2401 4802 9604 86813 173626 347252 607691 1215382 2430764 4253837 8507674 17015348 29776859 59553718 119107436 208438013 416876026 833752052 7536496969 15072993938 30145987876 52755478783 105510957566 211021915132 369288351481 738576702962 1477153405924 2585018460367 5170036920734 10340073841468 18095129222569 36190258445138 72380516890276