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56877205028 = 2272970045819
BaseRepresentation
bin110100111110001001…
…010100011000100100
312102210212111101101012
4310332021110120210
51412441031030103
642043511521352
74052320160120
oct647611243044
9172725441335
1056877205028
1122137776a76
12b034089258
1354957b0807
142a77c44580
15172d5052d8
hexd3e254624

56877205028 has 24 divisors (see below), whose sum is σ = 117676977600. Its totient is φ = 23535394848.

The previous prime is 56877205027. The next prime is 56877205037. The reversal of 56877205028 is 82050277865.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (56877205027) 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, 35022098 + ... + 35023721.

It is an arithmetic number, because the mean of its divisors is an integer number (4903207400).

Almost surely, 256877205028 is an apocalyptic number.

56877205028 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

56877205028 is an abundant number, since it is smaller than the sum of its proper divisors (60799772572).

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

56877205028 is a wasteful number, since it uses less digits than its factorization.

56877205028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70045859 (or 70045857 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 50.

The spelling of 56877205028 in words is "fifty-six billion, eight hundred seventy-seven million, two hundred five thousand, twenty-eight".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 70045819 140091638 280183276 490320733 980641466 1961282932 2031328751 4062657502 8125315004 14219301257 28438602514 56877205028