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12489814794 = 233787764151
BaseRepresentation
bin10111010000111001…
…10111001100001010
31012020102210022221010
423220130313030022
5201034343033134
65423204024350
7621336450132
oct135034671412
935212708833
1012489814794
11532a1a1796
1225069920b6
131240791972
14866ac1ac2
154d1775ce9
hex2e873730a

12489814794 has 32 divisors (see below), whose sum is σ = 25684407936. Its totient is φ = 4046068800.

The previous prime is 12489814763. The next prime is 12489814829. The reversal of 12489814794 is 49741898421.

12489814794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162619 + ... + 226769.

It is an arithmetic number, because the mean of its divisors is an integer number (802637748).

Almost surely, 212489814794 is an apocalyptic number.

12489814794 is an abundant number, since it is smaller than the sum of its proper divisors (13194593142).

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

12489814794 is a wasteful number, since it uses less digits than its factorization.

12489814794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65070.

The product of its digits is 4644864, while the sum is 57.

The spelling of 12489814794 in words is "twelve billion, four hundred eighty-nine million, eight hundred fourteen thousand, seven hundred ninety-four".

Divisors: 1 2 3 6 37 74 111 222 877 1754 2631 5262 32449 64151 64898 97347 128302 192453 194694 384906 2373587 4747174 7120761 14241522 56260427 112520854 168781281 337562562 2081635799 4163271598 6244907397 12489814794