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12367327431 = 3137205314657
BaseRepresentation
bin10111000010010011…
…00111000011000111
31011220220022022212010
423201021213003013
5200312013434211
65403110425303
7615321356124
oct134111470307
934826268763
1012367327431
115277041168
122491962233
1312212a6834
1485471974b
154c5b2d4a6
hex2e12670c7

12367327431 has 16 divisors (see below), whose sum is σ = 16619357664. Its totient is φ = 8180158464.

The previous prime is 12367327417. The next prime is 12367327439. The reversal of 12367327431 is 13472376321.

It is not a de Polignac number, because 12367327431 - 225 = 12333772999 is a prime.

It is a super-2 number, since 2×123673274312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12367327431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12367327439) 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, 836455 + ... + 851111.

It is an arithmetic number, because the mean of its divisors is an integer number (1038709854).

Almost surely, 212367327431 is an apocalyptic number.

12367327431 is a deficient number, since it is larger than the sum of its proper divisors (4252030233).

12367327431 is a wasteful number, since it uses less digits than its factorization.

12367327431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16850.

The product of its digits is 127008, while the sum is 39.

The spelling of 12367327431 in words is "twelve billion, three hundred sixty-seven million, three hundred twenty-seven thousand, four hundred thirty-one".

Divisors: 1 3 137 411 2053 6159 14657 43971 281261 843783 2008009 6024027 30090821 90272463 4122442477 12367327431