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53076167987 = 99075357441
BaseRepresentation
bin110001011011100101…
…100000110100110011
312001222222011200210112
4301123211200310303
51332144444333422
640214410251535
73556163661353
oct613345406463
9161888150715
1053076167987
1120567127647
12a353126bab
13500b17237b
1427d70c2b63
1515a9981ee2
hexc5b960d33

53076167987 has 4 divisors (see below), whose sum is σ = 53081535336. Its totient is φ = 53070800640.

The previous prime is 53076167929. The next prime is 53076168001. The reversal of 53076167987 is 78976167035.

53076167987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53076167987 - 212 = 53076163891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53076167927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2668814 + ... + 2688627.

It is an arithmetic number, because the mean of its divisors is an integer number (13270383834).

Almost surely, 253076167987 is an apocalyptic number.

53076167987 is a deficient number, since it is larger than the sum of its proper divisors (5367349).

53076167987 is an equidigital number, since it uses as much as digits as its factorization.

53076167987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5367348.

The product of its (nonzero) digits is 13335840, while the sum is 59.

The spelling of 53076167987 in words is "fifty-three billion, seventy-six million, one hundred sixty-seven thousand, nine hundred eighty-seven".

Divisors: 1 9907 5357441 53076167987