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13534044531 = 375113126047
BaseRepresentation
bin11001001101011000…
…10010000101110011
31021221012200200211120
430212230102011303
5210204203411111
610114545313323
7656246323530
oct144654220563
937835620746
1013534044531
115815684a77
122758635843
131378c16997
14925663d87
15543292406
hex326b12173

13534044531 has 16 divisors (see below), whose sum is σ = 20627503104. Its totient is φ = 7732165824.

The previous prime is 13534044521. The next prime is 13534044533. The reversal of 13534044531 is 13544043531.

It is not a de Polignac number, because 13534044531 - 26 = 13534044467 is a prime.

It is a super-2 number, since 2×135340445312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13534044492 and 13534044501.

It is not an unprimeable number, because it can be changed into a prime (13534044533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44350 + ... + 170396.

It is an arithmetic number, because the mean of its divisors is an integer number (1289218944).

Almost surely, 213534044531 is an apocalyptic number.

13534044531 is a deficient number, since it is larger than the sum of its proper divisors (7093458573).

13534044531 is a wasteful number, since it uses less digits than its factorization.

13534044531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131170.

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 13534044531 in words is "thirteen billion, five hundred thirty-four million, forty-four thousand, five hundred thirty-one".

Divisors: 1 3 7 21 5113 15339 35791 107373 126047 378141 882329 2646987 644478311 1933434933 4511348177 13534044531