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52175017992 = 23312891686547
BaseRepresentation
bin110000100101110111…
…111001100000001000
311222200011111112101210
4300211313321200020
51323323301033432
635545135413120
73524642223036
oct604567714010
9158604445353
1052175017992
112014448a289
12a1413841a0
134bc6565416
14274d547556
1515557c98cc
hexc25df9808

52175017992 has 32 divisors (see below), whose sum is σ = 130538815200. Its totient is φ = 17378169984.

The previous prime is 52175017987. The next prime is 52175017997. The reversal of 52175017992 is 29971057125.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52175017987) and next prime (52175017997).

It is not an unprimeable number, because it can be changed into a prime (52175017997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812338 + ... + 874209.

It is an arithmetic number, because the mean of its divisors is an integer number (4079337975).

Almost surely, 252175017992 is an apocalyptic number.

It is an amenable number.

52175017992 is an abundant number, since it is smaller than the sum of its proper divisors (78363797208).

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

52175017992 is a wasteful number, since it uses less digits than its factorization.

52175017992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687845 (or 1687841 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 48.

The spelling of 52175017992 in words is "fifty-two billion, one hundred seventy-five million, seventeen thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 1289 2578 3867 5156 7734 10312 15468 30936 1686547 3373094 5059641 6746188 10119282 13492376 20238564 40477128 2173959083 4347918166 6521877249 8695836332 13043754498 17391672664 26087508996 52175017992