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57074413158 = 23373191571033
BaseRepresentation
bin110101001001111001…
…100110111001100110
312110022121120121002000
4311021321212321212
51413342022210113
642115234430130
74060233336000
oct651171467146
9173277517060
1057074413158
11222290223a4
12b08a132346
1354c75cb109
142a960db370
1517409ac373
hexd49e66e66

57074413158 has 256 divisors, whose sum is σ = 156837120000. Its totient is φ = 15335453952.

The previous prime is 57074413111. The next prime is 57074413163. The reversal of 57074413158 is 85131447075.

57074413158 is a `hidden beast` number, since 57 + 0 + 7 + 441 + 3 + 158 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 55250610 + ... + 55251642.

It is an arithmetic number, because the mean of its divisors is an integer number (612645000).

Almost surely, 257074413158 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57074413158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78418560000).

57074413158 is an abundant number, since it is smaller than the sum of its proper divisors (99762706842).

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

57074413158 is a wasteful number, since it uses less digits than its factorization.

57074413158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241 (or 1221 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The spelling of 57074413158 in words is "fifty-seven billion, seventy-four million, four hundred thirteen thousand, one hundred fifty-eight".