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12254981336 = 2313117836359
BaseRepresentation
bin10110110100111010…
…00010110011011000
31011122001220112222122
423122131002303120
5200044233400321
65344014440412
7612455423363
oct133235026330
934561815878
1012254981336
115219687954
122460203108
131203c2c660
148438330da
154bad3a8ab
hex2da742cd8

12254981336 has 16 divisors (see below), whose sum is σ = 24745635600. Its totient is φ = 5656145184.

The previous prime is 12254981317. The next prime is 12254981351. The reversal of 12254981336 is 63318945221.

12254981336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 58918076 + ... + 58918283.

It is an arithmetic number, because the mean of its divisors is an integer number (1546602225).

Almost surely, 212254981336 is an apocalyptic number.

It is an amenable number.

12254981336 is an abundant number, since it is smaller than the sum of its proper divisors (12490654264).

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

12254981336 is a wasteful number, since it uses less digits than its factorization.

12254981336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117836378 (or 117836374 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The spelling of 12254981336 in words is "twelve billion, two hundred fifty-four million, nine hundred eighty-one thousand, three hundred thirty-six".

Divisors: 1 2 4 8 13 26 52 104 117836359 235672718 471345436 942690872 1531872667 3063745334 6127490668 12254981336