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12889603117 = 29607732239
BaseRepresentation
bin11000000000100011…
…11011110000101101
31020021022001200102001
430000101323300231
5202344214244432
65531004532301
7634262550556
oct140021736055
936238050361
1012889603117
115514932666
1225b8851091
1312a555aac1
148a3c2d32d
155068e69e7
hex30047bc2d

12889603117 has 8 divisors (see below), whose sum is σ = 13356057600. Its totient is φ = 12424614384.

The previous prime is 12889603063. The next prime is 12889603123. The reversal of 12889603117 is 71130698821.

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 12889603117 - 27 = 12889602989 is a prime.

It is a super-2 number, since 2×128896031172 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12889603157) 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, 348517 + ... + 383722.

It is an arithmetic number, because the mean of its divisors is an integer number (1669507200).

Almost surely, 212889603117 is an apocalyptic number.

It is an amenable number.

12889603117 is a deficient number, since it is larger than the sum of its proper divisors (466454483).

12889603117 is an equidigital number, since it uses as much as digits as its factorization.

12889603117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732875.

The product of its (nonzero) digits is 145152, while the sum is 46.

The spelling of 12889603117 in words is "twelve billion, eight hundred eighty-nine million, six hundred three thousand, one hundred seventeen".

Divisors: 1 29 607 17603 732239 21234931 444469073 12889603117