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12667928009 = 113137149349
BaseRepresentation
bin10111100110001000…
…10011110111001001
31012200211221102022212
423303010103313021
5201420442144014
65453005354505
7625631416502
oct136304236711
935624842285
1012667928009
1154107958a0
122556568a35
13126b654ab9
14882607ba9
154e220a23e
hex2f3113dc9

12667928009 has 8 divisors (see below), whose sum is σ = 14265350400. Its totient is φ = 11144804400.

The previous prime is 12667928003. The next prime is 12667928023. The reversal of 12667928009 is 90082976621.

It is a happy number.

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 12667928009 - 212 = 12667923913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12667928003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18574334 + ... + 18575015.

It is an arithmetic number, because the mean of its divisors is an integer number (1783168800).

Almost surely, 212667928009 is an apocalyptic number.

It is an amenable number.

12667928009 is a deficient number, since it is larger than the sum of its proper divisors (1597422391).

12667928009 is a wasteful number, since it uses less digits than its factorization.

12667928009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37149391.

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 12667928009 in words is "twelve billion, six hundred sixty-seven million, nine hundred twenty-eight thousand, nine".

Divisors: 1 11 31 341 37149349 408642839 1151629819 12667928009