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52815367705 = 5192324171793
BaseRepresentation
bin110001001100000010…
…101000111000011001
312001022210102200001211
4301030002220320121
51331131213231310
640132452343121
73546546134602
oct611402507031
9161283380054
1052815367705
1120442997521
12a29b914aa1
134c9911aa89
1427b05d4da9
151591b17c8a
hexc4c0a8e19

52815367705 has 16 divisors (see below), whose sum is σ = 69614766720. Its totient is φ = 38288118528.

The previous prime is 52815367679. The next prime is 52815367747. The reversal of 52815367705 is 50776351825.

It is a cyclic number.

It is not a de Polignac number, because 52815367705 - 215 = 52815334937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12083712 + ... + 12088081.

It is an arithmetic number, because the mean of its divisors is an integer number (4350922920).

Almost surely, 252815367705 is an apocalyptic number.

It is an amenable number.

52815367705 is a deficient number, since it is larger than the sum of its proper divisors (16799399015).

52815367705 is a wasteful number, since it uses less digits than its factorization.

52815367705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24171840.

The product of its (nonzero) digits is 1764000, while the sum is 49.

The spelling of 52815367705 in words is "fifty-two billion, eight hundred fifteen million, three hundred sixty-seven thousand, seven hundred five".

Divisors: 1 5 19 23 95 115 437 2185 24171793 120858965 459264067 555951239 2296320335 2779756195 10563073541 52815367705