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28056272562 = 233519560603
BaseRepresentation
bin11010001000010010…
…001011111010110010
32200102021211022121000
4122020102023322302
5424424401210222
620515555142430
72012155245003
oct321022137262
980367738530
1028056272562
111099804191a
12552bba4a16
132851791216
14150223b1aa
15ae317e9ac
hex68848beb2

28056272562 has 16 divisors (see below), whose sum is σ = 62347272480. Its totient is φ = 9352090836.

The previous prime is 28056272557. The next prime is 28056272591. The reversal of 28056272562 is 26527265082.

28056272562 is a `hidden beast` number, since 2 + 8 + 0 + 562 + 7 + 25 + 62 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259780248 + ... + 259780355.

It is an arithmetic number, because the mean of its divisors is an integer number (3896704530).

Almost surely, 228056272562 is an apocalyptic number.

28056272562 is an abundant number, since it is smaller than the sum of its proper divisors (34290999918).

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

28056272562 is a wasteful number, since it uses less digits than its factorization.

28056272562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519560614 (or 519560608 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 28056272562 in words is "twenty-eight billion, fifty-six million, two hundred seventy-two thousand, five hundred sixty-two".

Divisors: 1 2 3 6 9 18 27 54 519560603 1039121206 1558681809 3117363618 4676045427 9352090854 14028136281 28056272562