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12836331018 = 2327432369201
BaseRepresentation
bin10111111010001101…
…01101111000001010
31020010120211011211100
423331012231320022
5202242100043033
65521423042230
7633045004410
oct137506557012
936116734740
1012836331018
115497857535
1225a2a40376
1312974c8254
1489ab232b0
15501dc2513
hex2fd1ade0a

12836331018 has 48 divisors (see below), whose sum is σ = 32524405056. Its totient is φ = 3582230400.

The previous prime is 12836331007. The next prime is 12836331029. The reversal of 12836331018 is 81013363821.

12836331018 is a `hidden beast` number, since 1 + 2 + 8 + 3 + 633 + 1 + 0 + 18 = 666.

It is an interprime number because it is at equal distance from previous prime (12836331007) and next prime (12836331029).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1179183 + ... + 1190018.

It is an arithmetic number, because the mean of its divisors is an integer number (677591772).

Almost surely, 212836331018 is an apocalyptic number.

12836331018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12836331018 is an abundant number, since it is smaller than the sum of its proper divisors (19688074038).

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

12836331018 is a wasteful number, since it uses less digits than its factorization.

12836331018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369259 (or 2369256 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

Adding to 12836331018 its reverse (81013363821), we get a palindrome (93849694839).

The spelling of 12836331018 in words is "twelve billion, eight hundred thirty-six million, three hundred thirty-one thousand, eighteen".

Divisors: 1 2 3 6 7 9 14 18 21 42 43 63 86 126 129 258 301 387 602 774 903 1806 2709 5418 2369201 4738402 7107603 14215206 16584407 21322809 33168814 42645618 49753221 99506442 101875643 149259663 203751286 298519326 305626929 611253858 713129501 916880787 1426259002 1833761574 2139388503 4278777006 6418165509 12836331018