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57620475312620 = 22511261911251421
BaseRepresentation
bin11010001100111110011111…
…11101100111100111101100
321120000110111222212221121012
431012133033331213213230
530023023213140000440
6322314251514124352
715064641044006333
oct1506371775474754
9246013458787535
1057620475312620
11173a57851733a0
1265672987206b8
13261c7839a39ac
141032bbb176d1a
1569dc92a35e65
hex3467cff679ec

57620475312620 has 24 divisors (see below), whose sum is σ = 132003270716688. Its totient is φ = 20952900113600.

The previous prime is 57620475312563. The next prime is 57620475312637. The reversal of 57620475312620 is 2621357402675.

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, 130955625491 + ... + 130955625930.

It is an arithmetic number, because the mean of its divisors is an integer number (5500136279862).

Almost surely, 257620475312620 is an apocalyptic number.

It is an amenable number.

57620475312620 is an abundant number, since it is smaller than the sum of its proper divisors (74382795404068).

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

57620475312620 is a wasteful number, since it uses less digits than its factorization.

57620475312620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261911251441 (or 261911251439 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 57620475312620 in words is "fifty-seven trillion, six hundred twenty billion, four hundred seventy-five million, three hundred twelve thousand, six hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 261911251421 523822502842 1047645005684 1309556257105 2619112514210 2881023765631 5238225028420 5762047531262 11524095062524 14405118828155 28810237656310 57620475312620