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52608745531 = 73720667747
BaseRepresentation
bin110000111111101110…
…011100000000111011
312000210101122011201201
4300333232130000323
51330220314324111
640100151555031
73541456646566
oct607756340073
9160711564651
1052608745531
11203472a11a1
12a24268ba77
134c65385534
142790dab4dd
15157d9016c1
hexc3fb9c03b

52608745531 has 4 divisors (see below), whose sum is σ = 53329413352. Its totient is φ = 51888077712.

The previous prime is 52608745529. The next prime is 52608745543. The reversal of 52608745531 is 13554780625.

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 52608745531 - 21 = 52608745529 is a prime.

It is a super-2 number, since 2×526087455312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52608745561) 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, 360333801 + ... + 360333946.

It is an arithmetic number, because the mean of its divisors is an integer number (13332353338).

Almost surely, 252608745531 is an apocalyptic number.

52608745531 is a deficient number, since it is larger than the sum of its proper divisors (720667821).

52608745531 is an equidigital number, since it uses as much as digits as its factorization.

52608745531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720667820.

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 52608745531 in words is "fifty-two billion, six hundred eight million, seven hundred forty-five thousand, five hundred thirty-one".

Divisors: 1 73 720667747 52608745531