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56558286148 = 22713734921143
BaseRepresentation
bin110100101011001000…
…101111010101000100
312101222122101121220211
4310223020233111010
51411312410124043
641552120205204
74041365333350
oct645310572504
9171878347824
1056558286148
1121a93750551
12ab65309804
1354446ba710
142a47748460
15171050aa9d
hexd2b22f544

56558286148 has 48 divisors (see below), whose sum is σ = 121840185600. Its totient is φ = 22370603904.

The previous prime is 56558286143. The next prime is 56558286149. The reversal of 56558286148 is 84168285565.

It is a junction number, because it is equal to n+sod(n) for n = 56558286092 and 56558286101.

It is not an unprimeable number, because it can be changed into a prime (56558286143) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2664465 + ... + 2685607.

It is an arithmetic number, because the mean of its divisors is an integer number (2538337200).

Almost surely, 256558286148 is an apocalyptic number.

It is an amenable number.

56558286148 is an abundant number, since it is smaller than the sum of its proper divisors (65281899452).

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

56558286148 is a wasteful number, since it uses less digits than its factorization.

56558286148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28516 (or 28514 counting only the distinct ones).

The product of its digits is 18432000, while the sum is 58.

The spelling of 56558286148 in words is "fifty-six billion, five hundred fifty-eight million, two hundred eighty-six thousand, one hundred forty-eight".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 7349 14698 21143 29396 42286 51443 84572 95537 102886 148001 191074 205772 274859 296002 382148 549718 592004 668759 1099436 1337518 1924013 2675036 3848026 7696052 155379907 310759814 621519628 1087659349 2019938791 2175318698 4039877582 4350637396 8079755164 14139571537 28279143074 56558286148