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75886697953 = 1121736891929
BaseRepresentation
bin100011010101100110…
…0110001110111100001
321020212200012200100201
41012223030301313201
52220403443313303
654510055145201
75324354201233
oct1065314616741
9236780180321
1075886697953
112a202076400
121285a375201
137204bc3091
14395c770253
151e9231781d
hex11ab331de1

75886697953 has 12 divisors (see below), whose sum is σ = 88319280420. Its totient is φ = 64929793280.

The previous prime is 75886697899. The next prime is 75886697959. The reversal of 75886697953 is 35979668857.

It can be written as a sum of positive squares in 2 ways, for example, as 67924348129 + 7962349824 = 260623^2 + 89232^2 .

It is not a de Polignac number, because 75886697953 - 29 = 75886697441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75886697959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18443908 + ... + 18448021.

It is an arithmetic number, because the mean of its divisors is an integer number (7359940035).

Almost surely, 275886697953 is an apocalyptic number.

It is an amenable number.

75886697953 is a deficient number, since it is larger than the sum of its proper divisors (12432582467).

75886697953 is a wasteful number, since it uses less digits than its factorization.

75886697953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36891968 (or 36891957 counting only the distinct ones).

The product of its digits is 685843200, while the sum is 73.

The spelling of 75886697953 in words is "seventy-five billion, eight hundred eighty-six million, six hundred ninety-seven thousand, nine hundred fifty-three".

Divisors: 1 11 17 121 187 2057 36891929 405811219 627162793 4463923409 6898790723 75886697953