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57407581340 = 22513859207113
BaseRepresentation
bin110101011101110000…
…100010110010011100
312111011211111021220022
4311131300202302130
51420032320100330
642212255411312
74101420250544
oct653560426234
9174154437808
1057407581340
112238a0a05aa
12b161823b38
13554b63cc55
142ac8466324
15175ed6dae5
hexd5dc22c9c

57407581340 has 24 divisors (see below), whose sum is σ = 120565201680. Its totient is φ = 22961264768.

The previous prime is 57407581321. The next prime is 57407581349. The reversal of 57407581340 is 4318570475.

57407581340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 57407581291 and 57407581300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57407581349) 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, 173624 + ... + 380736.

It is an arithmetic number, because the mean of its divisors is an integer number (5023550070).

Almost surely, 257407581340 is an apocalyptic number.

It is an amenable number.

57407581340 is an abundant number, since it is smaller than the sum of its proper divisors (63157620340).

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

57407581340 is a wasteful number, since it uses less digits than its factorization.

57407581340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220981 (or 220979 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 44.

The spelling of 57407581340 in words is "fifty-seven billion, four hundred seven million, five hundred eighty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 13859 27718 55436 69295 138590 207113 277180 414226 828452 1035565 2071130 4142260 2870379067 5740758134 11481516268 14351895335 28703790670 57407581340