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55031120832960 = 26335172337795573
BaseRepresentation
bin11001000001100111011100…
…11010001010100111000000
321012211220221102121111201000
430200303232122022213000
524203112213413123320
6313012540425212000
714406603322043556
oct1440635632124700
9235756842544630
1055031120832960
1116597627063008
126209497031000
1324925491455ac
14d837401dbbd6
156567445a8c90
hex320cee68a9c0

55031120832960 has 1792 divisors, whose sum is σ = 223120388505600. Its totient is φ = 12689173905408.

The previous prime is 55031120832959. The next prime is 55031120832973. The reversal of 55031120832960 is 6923802113055.

55031120832960 is a `hidden beast` number, since 5 + 5 + 0 + 311 + 2 + 0 + 8 + 329 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 9874592734 + ... + 9874598306.

Almost surely, 255031120832960 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 55031120832960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111560194252800).

55031120832960 is an abundant number, since it is smaller than the sum of its proper divisors (168089267672640).

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

55031120832960 is a wasteful number, since it uses less digits than its factorization.

55031120832960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5755 (or 5739 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 55031120832960 in words is "fifty-five trillion, thirty-one billion, one hundred twenty million, eight hundred thirty-two thousand, nine hundred sixty".