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12230157998 = 2283184711699
BaseRepresentation
bin10110110001111100…
…10110011010101110
31011120100012101202202
423120332112122232
5200021410023443
65341330421502
7612034425212
oct133076263256
934510171682
1012230157998
1152066727a3
122453a31892
1311cba4a9a6
14840410942
154b8a857b8
hex2d8f966ae

12230157998 has 16 divisors (see below), whose sum is σ = 18421603200. Its totient is φ = 6089651256.

The previous prime is 12230157943. The next prime is 12230158001. The reversal of 12230157998 is 89975103221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1039553 + ... + 1051251.

It is an arithmetic number, because the mean of its divisors is an integer number (1151350200).

Almost surely, 212230157998 is an apocalyptic number.

12230157998 is a deficient number, since it is larger than the sum of its proper divisors (6191445202).

12230157998 is a wasteful number, since it uses less digits than its factorization.

12230157998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13831.

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 12230157998 in words is "twelve billion, two hundred thirty million, one hundred fifty-seven thousand, nine hundred ninety-eight".

Divisors: 1 2 283 566 1847 3694 11699 23398 522701 1045402 3310817 6621634 21608053 43216106 6115078999 12230157998