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52204137985440 = 25325719272577997
BaseRepresentation
bin10111101111010101110010…
…00110011011010110100000
320211211200000010122020111100
423313222321012123112200
523320303033311013230
6303010125551514400
713665424130236530
oct1367527106332640
9224750003566440
1052204137985440
11156a7717a2a851
125a31618228a00
132318aa167b2bc
14cc699d96b4c0
15607e394e1660
hex2f7ab919b5a0

52204137985440 has 288 divisors, whose sum is σ = 214311725147520. Its totient is φ = 11304354650112.

The previous prime is 52204137985427. The next prime is 52204137985453. The reversal of 52204137985440 is 4458973140225.

It is a happy number.

52204137985440 is a `hidden beast` number, since 5 + 2 + 2 + 0 + 4 + 1 + 3 + 7 + 98 + 544 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (52204137985427) and next prime (52204137985453).

It is a tau number, because it is divible by the number of its divisors (288).

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, 136097479 + ... + 136480518.

It is an arithmetic number, because the mean of its divisors is an integer number (744137934540).

Almost surely, 252204137985440 is an apocalyptic number.

It is an amenable number.

52204137985440 is an abundant number, since it is smaller than the sum of its proper divisors (162107587162080).

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

52204137985440 is a wasteful number, since it uses less digits than its factorization.

52204137985440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272578044 (or 272578033 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 52204137985440 in words is "fifty-two trillion, two hundred four billion, one hundred thirty-seven million, nine hundred eighty-five thousand, four hundred forty".