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56258305540 = 2255227538151
BaseRepresentation
bin110100011001010000…
…011001111000000100
312101012201221000212221
4310121100121320010
51410204111234130
641502242422124
74031063464333
oct643120317004
9171181830787
1056258305540
112194a38a698
12aaa0961944
1353c74c86b8
142a1997bd1a
1516e400287a
hexd19419e04

56258305540 has 24 divisors (see below), whose sum is σ = 118165263552. Its totient is φ = 22498975200.

The previous prime is 56258305393. The next prime is 56258305549. The reversal of 56258305540 is 4550385265.

It is not an unprimeable number, because it can be changed into a prime (56258305549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164536 + ... + 373615.

It is an arithmetic number, because the mean of its divisors is an integer number (4923552648).

Almost surely, 256258305540 is an apocalyptic number.

It is an amenable number.

56258305540 is an abundant number, since it is smaller than the sum of its proper divisors (61906958012).

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

56258305540 is a wasteful number, since it uses less digits than its factorization.

56258305540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543387 (or 543385 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 56258305540 in words is "fifty-six billion, two hundred fifty-eight million, three hundred five thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 5227 10454 20908 26135 52270 104540 538151 1076302 2152604 2690755 5381510 10763020 2812915277 5625830554 11251661108 14064576385 28129152770 56258305540