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28669522958 = 271947321313
BaseRepresentation
bin11010101100110101…
…100011010000001110
32202000000202122222122
4122230311203100032
5432203344213313
621100503212542
72033312632016
oct325465432016
982000678878
1028669522958
111118221aa2a
125681447152
13291b848c8b
14155d872c46
15b2be18708
hex6acd6340e

28669522958 has 16 divisors (see below), whose sum is σ = 43616628576. Its totient is φ = 14130708480.

The previous prime is 28669522939. The next prime is 28669523017. The reversal of 28669522958 is 85922596682.

It is a self number, because there is not a number n which added to its sum of digits gives 28669522958.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1334510 + ... + 1355822.

It is an arithmetic number, because the mean of its divisors is an integer number (2726039286).

Almost surely, 228669522958 is an apocalyptic number.

28669522958 is a deficient number, since it is larger than the sum of its proper divisors (14947105618).

28669522958 is a wasteful number, since it uses less digits than its factorization.

28669522958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30859.

The product of its digits is 37324800, while the sum is 62.

The spelling of 28669522958 in words is "twenty-eight billion, six hundred sixty-nine million, five hundred twenty-two thousand, nine hundred fifty-eight".

Divisors: 1 2 71 142 9473 18946 21313 42626 672583 1345166 1513223 3026446 201898049 403796098 14334761479 28669522958