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57725546790912 = 21737311134173
BaseRepresentation
bin11010010000000010001101…
…01101100000000000000000
321120101111201121102002012020
431020001012231200000000
530031233404434302122
6322434430004401440
715105350601564000
oct1510010655400000
9246344647362166
1057725546790912
11174362a3297170
1265837209a6280
13262965a0aa660
141037d07984000
156a18920e5c5c
hex348046b60000

57725546790912 has 2304 divisors, whose sum is σ = 219002231347200. Its totient is φ = 13317754060800.

The previous prime is 57725546790851. The next prime is 57725546790949. The reversal of 57725546790912 is 21909764552775.

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, 790760914908 + ... + 790760914980.

It is an arithmetic number, because the mean of its divisors is an integer number (95053051800).

Almost surely, 257725546790912 is an apocalyptic number.

57725546790912 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57725546790912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109501115673600).

57725546790912 is an abundant number, since it is smaller than the sum of its proper divisors (161276684556288).

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

57725546790912 is an equidigital number, since it uses as much as digits as its factorization.

57725546790912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 333396000, while the sum is 69.

The spelling of 57725546790912 in words is "fifty-seven trillion, seven hundred twenty-five billion, five hundred forty-six million, seven hundred ninety thousand, nine hundred twelve".