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57448622112 = 253785489021
BaseRepresentation
bin110101100000001101…
…000110100000100000
312111021200201101020220
4311200031012200200
51420123321401422
642220323203040
74102426142130
oct654015064040
9174250641226
1057448622112
11224002820a2
12b173516480
135556cac42b
142acdaaaac0
151763778e5c
hexd60346820

57448622112 has 48 divisors (see below), whose sum is σ = 172345868352. Its totient is φ = 16413891840.

The previous prime is 57448622093. The next prime is 57448622113. The reversal of 57448622112 is 21122684475.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (57448622113) 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, 42743839 + ... + 42745182.

It is an arithmetic number, because the mean of its divisors is an integer number (3590538924).

Almost surely, 257448622112 is an apocalyptic number.

It is an amenable number.

57448622112 is an abundant number, since it is smaller than the sum of its proper divisors (114897246240).

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

57448622112 is a wasteful number, since it uses less digits than its factorization.

57448622112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85489041 (or 85489033 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The spelling of 57448622112 in words is "fifty-seven billion, four hundred forty-eight million, six hundred twenty-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 85489021 170978042 256467063 341956084 512934126 598423147 683912168 1025868252 1196846294 1367824336 1795269441 2051736504 2393692588 2735648672 3590538882 4103473008 4787385176 7181077764 8206946016 9574770352 14362155528 19149540704 28724311056 57448622112