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20108716474 = 2711263496487
BaseRepresentation
bin10010101110100100…
…101010100110111010
31220220102002122012211
4102232210222212322
5312140312411344
613123211325334
71311212161360
oct225644524672
956812078184
1020108716474
118589934350
123a9245084a
131b86080a02
14d8a905630
157ca593334
hex4ae92a9ba

20108716474 has 32 divisors (see below), whose sum is σ = 37748975616. Its totient is φ = 7804759920.

The previous prime is 20108716469. The next prime is 20108716547. The reversal of 20108716474 is 47461780102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207742 + ... + 288745.

It is an arithmetic number, because the mean of its divisors is an integer number (1179655488).

Almost surely, 220108716474 is an apocalyptic number.

20108716474 is a deficient number, since it is larger than the sum of its proper divisors (17640259142).

20108716474 is a wasteful number, since it uses less digits than its factorization.

20108716474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496770.

The product of its (nonzero) digits is 75264, while the sum is 40.

The spelling of 20108716474 in words is "twenty billion, one hundred eight million, seven hundred sixteen thousand, four hundred seventy-four".

Divisors: 1 2 7 11 14 22 77 154 263 526 1841 2893 3682 5786 20251 40502 496487 992974 3475409 5461357 6950818 10922714 38229499 76458998 130576081 261152162 914032567 1436336891 1828065134 2872673782 10054358237 20108716474