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56885830786 = 2195328245199
BaseRepresentation
bin110100111110101010…
…001110010010000010
312102211110201121200201
4310332222032102002
51413000233041121
642044420435414
74052453404111
oct647652162202
9172743647621
1056885830786
11221416286a4
12b036b48b6a
135497510a05
142a7904bc78
15172e15ae91
hexd3ea8e482

56885830786 has 16 divisors (see below), whose sum is σ = 91514448000. Its totient is φ = 26437505328.

The previous prime is 56885830633. The next prime is 56885830787. The reversal of 56885830786 is 68703858865.

It is not an unprimeable number, because it can be changed into a prime (56885830787) 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 7 ways as a sum of consecutive naturals, for example, 14120586 + ... + 14124613.

It is an arithmetic number, because the mean of its divisors is an integer number (5719653000).

Almost surely, 256885830786 is an apocalyptic number.

56885830786 is a deficient number, since it is larger than the sum of its proper divisors (34628617214).

56885830786 is a wasteful number, since it uses less digits than its factorization.

56885830786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28245273.

The product of its (nonzero) digits is 77414400, while the sum is 64.

The spelling of 56885830786 in words is "fifty-six billion, eight hundred eighty-five million, eight hundred thirty thousand, seven hundred eighty-six".

Divisors: 1 2 19 38 53 106 1007 2014 28245199 56490398 536658781 1073317562 1496995547 2993991094 28442915393 56885830786