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52242042405 = 3574283116167
BaseRepresentation
bin110000101001110111…
…100100111000100101
311222211211121201121110
4300221313210320211
51323442430324110
635555532135233
73526415014350
oct605167447045
9158754551543
1052242042405
11201792a8763
12a15b907519
134c07401737
1427583d3297
15155b618a20
hexc29de4e25

52242042405 has 32 divisors (see below), whose sum is σ = 95551432704. Its totient is φ = 23876294976.

The previous prime is 52242042403. The next prime is 52242042407. The reversal of 52242042405 is 50424024225.

52242042405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52242042403) and next prime (52242042407).

It is not a de Polignac number, because 52242042405 - 21 = 52242042403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52242042403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391632 + ... + 507798.

It is an arithmetic number, because the mean of its divisors is an integer number (2985982272).

Almost surely, 252242042405 is an apocalyptic number.

It is an amenable number.

52242042405 is a deficient number, since it is larger than the sum of its proper divisors (43309390299).

52242042405 is a wasteful number, since it uses less digits than its factorization.

52242042405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120465.

The product of its (nonzero) digits is 25600, while the sum is 30.

The spelling of 52242042405 in words is "fifty-two billion, two hundred forty-two million, forty-two thousand, four hundred five".

Divisors: 1 3 5 7 15 21 35 105 4283 12849 21415 29981 64245 89943 116167 149905 348501 449715 580835 813169 1742505 2439507 4065845 12197535 497543261 1492629783 2487716305 3482802827 7463148915 10448408481 17414014135 52242042405