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12387835043 = 176111945839
BaseRepresentation
bin10111000100101111…
…10101110010100011
31011222022220020000022
423202113311302203
5200332241210133
65405122144055
7615660601103
oct134227656243
934868806008
1012387835043
115287678901
1224987b202b
13122560700c
14857337203
154c782e998
hex2e25f5ca3

12387835043 has 8 divisors (see below), whose sum is σ = 13331557440. Its totient is φ = 11468004480.

The previous prime is 12387835027. The next prime is 12387835069. The reversal of 12387835043 is 34053878321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12387835043 - 24 = 12387835027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12387834985 and 12387835003.

It is not an unprimeable number, because it can be changed into a prime (12387835003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5971883 + ... + 5973956.

It is an arithmetic number, because the mean of its divisors is an integer number (1666444680).

Almost surely, 212387835043 is an apocalyptic number.

12387835043 is a deficient number, since it is larger than the sum of its proper divisors (943722397).

12387835043 is a wasteful number, since it uses less digits than its factorization.

12387835043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11945917.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 12387835043 in words is "twelve billion, three hundred eighty-seven million, eight hundred thirty-five thousand, forty-three".

Divisors: 1 17 61 1037 11945839 203079263 728696179 12387835043