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12692399132 = 227453299969
BaseRepresentation
bin10111101001000011…
…01010010000011100
31012202112222200101202
423310201222100130
5201443223233012
65455242055032
7626346420050
oct136441522034
935675880352
1012692399132
11542358a366
1225627aa478
13127374235a
14885977c60
154e4440cc2
hex2f486a41c

12692399132 has 12 divisors (see below), whose sum is σ = 25384798320. Its totient is φ = 5439599616.

The previous prime is 12692399117. The next prime is 12692399141. The reversal of 12692399132 is 23199329621.

12692399132 is an admirable number.

It is a super-2 number, since 2×126923991322 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226649957 + ... + 226650012.

It is an arithmetic number, because the mean of its divisors is an integer number (2115399860).

Almost surely, 212692399132 is an apocalyptic number.

It is an amenable number.

12692399132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12692399132 is a wasteful number, since it uses less digits than its factorization.

12692399132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453299980 (or 453299978 counting only the distinct ones).

The product of its digits is 314928, while the sum is 47.

The spelling of 12692399132 in words is "twelve billion, six hundred ninety-two million, three hundred ninety-nine thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 453299969 906599938 1813199876 3173099783 6346199566 12692399132