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56887922440 = 2351422198061
BaseRepresentation
bin110100111110110010…
…001100111100001000
312102211121122212220101
4310332302030330020
51413001302004230
642044533335144
74052510235166
oct647662147410
9172747585811
1056887922440
1122142827138
12b0377974b4
135497a93a8b
142a79434236
15172e420aca
hexd3ec8cf08

56887922440 has 16 divisors (see below), whose sum is σ = 127997825580. Its totient is φ = 22755168960.

The previous prime is 56887922383. The next prime is 56887922461. The reversal of 56887922440 is 4422978865.

56887922440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 51795387396 + 5092535044 = 227586^2 + 71362^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711098991 + ... + 711099070.

Almost surely, 256887922440 is an apocalyptic number.

It is an amenable number.

56887922440 is an abundant number, since it is smaller than the sum of its proper divisors (71109903140).

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

56887922440 is a wasteful number, since it uses less digits than its factorization.

56887922440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422198072 (or 1422198068 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 56887922440 in words is "fifty-six billion, eight hundred eighty-seven million, nine hundred twenty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1422198061 2844396122 5688792244 7110990305 11377584488 14221980610 28443961220 56887922440