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57113465472 = 273472172389
BaseRepresentation
bin110101001100001110…
…100101001010000000
312110102100001122210000
4311030032211022000
51413432021343342
642123151440000
74061216306100
oct651416451200
9173370048700
1057113465472
1122249075a38
12b09b226000
1355027224ab
142a9b385200
15174412344c
hexd4c3a5280

57113465472 has 720 divisors, whose sum is σ = 210573341550. Its totient is φ = 15318761472.

The previous prime is 57113465419. The next prime is 57113465477. The reversal of 57113465472 is 27456431175.

57113465472 is a `hidden beast` number, since 5 + 7 + 113 + 4 + 65 + 472 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 53983734336 + 3129731136 = 232344^2 + 55944^2 .

It is not an unprimeable number, because it can be changed into a prime (57113465477) by changing a digit.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 146821054 + ... + 146821442.

Almost surely, 257113465472 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 57113465472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105286670775).

57113465472 is an abundant number, since it is smaller than the sum of its proper divisors (153459876078).

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

57113465472 is a wasteful number, since it uses less digits than its factorization.

57113465472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 418 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The spelling of 57113465472 in words is "fifty-seven billion, one hundred thirteen million, four hundred sixty-five thousand, four hundred seventy-two".