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52187845039 = 1163110876917
BaseRepresentation
bin110000100110101000…
…110101000110101111
311222201001122012210121
4300212220311012233
51323340042020124
635550314345411
73525156235501
oct604650650657
9158631565717
1052187845039
1120150750450
12a14572b267
134bc91069a5
142751125d71
1515569b02e4
hexc26a351af

52187845039 has 16 divisors (see below), whose sum is σ = 57083129856. Its totient is φ = 47317888800.

The previous prime is 52187845019. The next prime is 52187845057. The reversal of 52187845039 is 93054878125.

It is a happy number.

52187845039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 52187845039 - 213 = 52187836847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52187845019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7541409 + ... + 7548325.

It is an arithmetic number, because the mean of its divisors is an integer number (3567695616).

Almost surely, 252187845039 is an apocalyptic number.

52187845039 is a deficient number, since it is larger than the sum of its proper divisors (4895284817).

52187845039 is a wasteful number, since it uses less digits than its factorization.

52187845039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8646.

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 52187845039 in words is "fifty-two billion, one hundred eighty-seven million, eight hundred forty-five thousand, thirty-nine".

Divisors: 1 11 631 1087 6917 6941 11957 76087 685897 4364627 7518779 7544867 48010897 82706569 4744349549 52187845039