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52915306811 = 318320565607
BaseRepresentation
bin110001010001111111…
…111000000100111011
312001120202111002202012
4301101333320010323
51331332304304221
640150422400135
73552201454343
oct612177700473
9161522432665
1052915306811
1120494347224
12a30929004b
134cb3a3c943
1427bd9abd23
15159a7a965b
hexc51ff813b

52915306811 has 8 divisors (see below), whose sum is σ = 55280354304. Its totient is φ = 50591390760.

The previous prime is 52915306783. The next prime is 52915306817. The reversal of 52915306811 is 11860351925.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52915306811 - 214 = 52915290427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52915306817) 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, 10280231 + ... + 10285376.

It is an arithmetic number, because the mean of its divisors is an integer number (6910044288).

Almost surely, 252915306811 is an apocalyptic number.

52915306811 is a deficient number, since it is larger than the sum of its proper divisors (2365047493).

52915306811 is a wasteful number, since it uses less digits than its factorization.

52915306811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20565721.

The product of its (nonzero) digits is 64800, while the sum is 41.

The spelling of 52915306811 in words is "fifty-two billion, nine hundred fifteen million, three hundred six thousand, eight hundred eleven".

Divisors: 1 31 83 2573 20565607 637533817 1706945381 52915306811