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12424837068 = 2232749304909
BaseRepresentation
bin10111001001001001…
…11111011111001100
31012001220112010020200
423210210333133030
5200421224241233
65412523213500
7616620241530
oct134444773714
935056463220
1012424837068
1152a6550a96
1224a9077290
1312301910c7
1485c209bc0
154cabdd313
hex2e493f7cc

12424837068 has 36 divisors (see below), whose sum is σ = 35893974480. Its totient is φ = 3549953376.

The previous prime is 12424837037. The next prime is 12424837069. The reversal of 12424837068 is 86073842421.

It is a happy number.

12424837068 is a `hidden beast` number, since 1 + 2 + 42 + 483 + 70 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (12424837069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24652203 + ... + 24652706.

Almost surely, 212424837068 is an apocalyptic number.

12424837068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12424837068 is an abundant number, since it is smaller than the sum of its proper divisors (23469137412).

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

12424837068 is a wasteful number, since it uses less digits than its factorization.

12424837068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49304926 (or 49304921 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 12424837068 in words is "twelve billion, four hundred twenty-four million, eight hundred thirty-seven thousand, sixty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 49304909 98609818 147914727 197219636 295829454 345134363 443744181 591658908 690268726 887488362 1035403089 1380537452 1774976724 2070806178 3106209267 4141612356 6212418534 12424837068