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12052033431 = 3171912437599
BaseRepresentation
bin10110011100101101…
…10110111110010111
31011002221000201210120
423032112312332113
5144140310032211
65311524523023
7604442410464
oct131626667627
934087021716
1012052033431
115125071109
122404250473
1311a0b82639
148248c466b
154a80ecd06
hex2ce5b6f97

12052033431 has 16 divisors (see below), whose sum is σ = 17910144000. Its totient is φ = 7164056448.

The previous prime is 12052033423. The next prime is 12052033453. The reversal of 12052033431 is 13433025021.

It is not a de Polignac number, because 12052033431 - 23 = 12052033423 is a prime.

It is a super-2 number, since 2×120520334312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12052033481) 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, 6217831 + ... + 6219768.

It is an arithmetic number, because the mean of its divisors is an integer number (1119384000).

Almost surely, 212052033431 is an apocalyptic number.

12052033431 is a deficient number, since it is larger than the sum of its proper divisors (5858110569).

12052033431 is a wasteful number, since it uses less digits than its factorization.

12052033431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12437638.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 12052033431 its reverse (13433025021), we get a palindrome (25485058452).

The spelling of 12052033431 in words is "twelve billion, fifty-two million, thirty-three thousand, four hundred thirty-one".

Divisors: 1 3 17 19 51 57 323 969 12437599 37312797 211439183 236314381 634317549 708943143 4017344477 12052033431