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52591328384 = 277317312273
BaseRepresentation
bin110000111110101011…
…111111110010000000
312000202011212021220012
4300332223333302000
51330201340002014
640054330404052
73541155626000
oct607653776200
9160664767805
1052591328384
1120338485461
12a238890628
134c6189792a
14278c956000
15157c110c3e
hexc3eaffc80

52591328384 has 256 divisors, whose sum is σ = 133602048000. Its totient is φ = 20519976960.

The previous prime is 52591328347. The next prime is 52591328389. The reversal of 52591328384 is 48382319525.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52591328389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23136272 + ... + 23138544.

It is an arithmetic number, because the mean of its divisors is an integer number (521883000).

Almost surely, 252591328384 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 52591328384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66801024000).

52591328384 is an abundant number, since it is smaller than the sum of its proper divisors (81010719616).

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

52591328384 is a wasteful number, since it uses less digits than its factorization.

52591328384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356 (or 2330 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 50.

The spelling of 52591328384 in words is "fifty-two billion, five hundred ninety-one million, three hundred twenty-eight thousand, three hundred eighty-four".