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54160531920 = 243251137184823
BaseRepresentation
bin110010011100001110…
…000010000111010000
312011210112121002110200
4302130032002013100
51341410044010140
640514144055200
73625101632265
oct623416020720
9164715532420
1054160531920
1120a73232290
12a5b6304500
135151a0a031
14289b11126c
15161ec7a030
hexc9c3821d0

54160531920 has 240 divisors, whose sum is σ = 203788420992. Its totient is φ = 12774896640.

The previous prime is 54160531889. The next prime is 54160531933. The reversal of 54160531920 is 2913506145.

54160531920 is a `hidden beast` number, since 5 + 41 + 60 + 531 + 9 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 200629 + ... + 385451.

Almost surely, 254160531920 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 54160531920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101894210496).

54160531920 is an abundant number, since it is smaller than the sum of its proper divisors (149627889072).

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

54160531920 is a wasteful number, since it uses less digits than its factorization.

54160531920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184890 (or 184881 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 54160531920 in words is "fifty-four billion, one hundred sixty million, five hundred thirty-one thousand, nine hundred twenty".