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56856334148 = 22172773018493
BaseRepresentation
bin110100111100111001…
…101100111101000100
312102202102020000220122
4310330321230331010
51412420210143043
642041444321112
74051644603065
oct647471547504
9172672200818
1056856334148
1122126a11409
12b0290a3198
135491383b93
142a7517056c
15172b781368
hexd3ce6cf44

56856334148 has 24 divisors (see below), whose sum is σ = 105731807832. Its totient is φ = 26659321344.

The previous prime is 56856334127. The next prime is 56856334177. The reversal of 56856334148 is 84143365865.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9154279684 + 47702054464 = 95678^2 + 218408^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56856334148.

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, 1490411 + ... + 1528082.

It is an arithmetic number, because the mean of its divisors is an integer number (4405491993).

Almost surely, 256856334148 is an apocalyptic number.

It is an amenable number.

56856334148 is a deficient number, since it is larger than the sum of its proper divisors (48875473684).

56856334148 is a wasteful number, since it uses less digits than its factorization.

56856334148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018791 (or 3018789 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 53.

The spelling of 56856334148 in words is "fifty-six billion, eight hundred fifty-six million, three hundred thirty-four thousand, one hundred forty-eight".

Divisors: 1 2 4 17 34 68 277 554 1108 4709 9418 18836 3018493 6036986 12073972 51314381 102628762 205257524 836122561 1672245122 3344490244 14214083537 28428167074 56856334148