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57403848320 = 27571317371567
BaseRepresentation
bin110101011101100010…
…010011011010000000
312111011120110122011022
4311131202103122000
51420030341121240
642212043405012
74101343442240
oct653542233200
9174146418138
1057403848320
1122387a80965
12b160523768
13554a933a70
142ac7b73b20
15175e8829b5
hexd5d893680

57403848320 has 512 divisors, whose sum is σ = 183785656320. Its totient is φ = 16625958912.

The previous prime is 57403848317. The next prime is 57403848343. The reversal of 57403848320 is 2384830475.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36632177 + ... + 36633743.

It is an arithmetic number, because the mean of its divisors is an integer number (358956360).

Almost surely, 257403848320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57403848320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91892828160).

57403848320 is an abundant number, since it is smaller than the sum of its proper divisors (126381808000).

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

57403848320 is a wasteful number, since it uses less digits than its factorization.

57403848320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660 (or 1648 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 57403848320 in words is "fifty-seven billion, four hundred three million, eight hundred forty-eight thousand, three hundred twenty".