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57958427379 = 319319475793
BaseRepresentation
bin110101111110100101…
…110110101011110011
312112121020000011121110
4311332211312223303
51422144324134004
642343054124403
74121156334636
oct657645665363
9175536004543
1057958427379
1122642026366
12b2961b0703
1356087b8558
142b3b695c1d
1517933cc589
hexd7e976af3

57958427379 has 4 divisors (see below), whose sum is σ = 77277903176. Its totient is φ = 38638951584.

The previous prime is 57958427377. The next prime is 57958427383. The reversal of 57958427379 is 97372485975.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 57958427379 - 21 = 57958427377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57958427377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9659737894 + ... + 9659737899.

It is an arithmetic number, because the mean of its divisors is an integer number (19319475794).

Almost surely, 257958427379 is an apocalyptic number.

57958427379 is a deficient number, since it is larger than the sum of its proper divisors (19319475797).

57958427379 is a wasteful number, since it uses less digits than its factorization.

57958427379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19319475796.

The product of its digits is 133358400, while the sum is 66.

The spelling of 57958427379 in words is "fifty-seven billion, nine hundred fifty-eight million, four hundred twenty-seven thousand, three hundred seventy-nine".

Divisors: 1 3 19319475793 57958427379