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80309529792 = 2632139426267
BaseRepresentation
bin100101011001011010…
…0100010110011000000
321200021220112211001100
41022302310202303000
52303433214423132
6100521011534400
75542100511552
oct1126264426300
9250256484040
1080309529792
11310716aa428
12136935ba400
13775b2bb43b
143c5bd0d4d2
15215076137c
hex12b2d22cc0

80309529792 has 42 divisors (see below), whose sum is σ = 230192768468. Its totient is φ = 26769843072.

The previous prime is 80309529787. The next prime is 80309529823. The reversal of 80309529792 is 29792590308.

80309529792 is a `hidden beast` number, since 80 + 30 + 9 + 529 + 7 + 9 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69712558 + ... + 69713709.

Almost surely, 280309529792 is an apocalyptic number.

It is an amenable number.

80309529792 is an abundant number, since it is smaller than the sum of its proper divisors (149883238676).

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

80309529792 is a wasteful number, since it uses less digits than its factorization.

80309529792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139426285 (or 139426272 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 80309529792 in words is "eighty billion, three hundred nine million, five hundred twenty-nine thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 139426267 278852534 418278801 557705068 836557602 1115410136 1254836403 1673115204 2230820272 2509672806 3346230408 4461640544 5019345612 6692460816 8923281088 10038691224 13384921632 20077382448 26769843264 40154764896 80309529792