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12966115889796 = 2231080509657483
BaseRepresentation
bin1011110010101110100010…
…1110110101001010000100
31200220112210220120101100220
42330223220232311022010
53144414101131433141
643324315034304340
72505525303411156
oct274535056651204
950815726511326
1012966115889796
114149998437233
121554b05b880b0
137309129b9a74
1432b7c5bd2ad6
15177429a7a766
hexbcae8bb5284

12966115889796 has 12 divisors (see below), whose sum is σ = 30254270409552. Its totient is φ = 4322038629928.

The previous prime is 12966115889759. The next prime is 12966115889809. The reversal of 12966115889796 is 69798851166921.

12966115889796 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×129661158897962 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540254828730 + ... + 540254828753.

It is an arithmetic number, because the mean of its divisors is an integer number (2521189200796).

Almost surely, 212966115889796 is an apocalyptic number.

It is an amenable number.

12966115889796 is an abundant number, since it is smaller than the sum of its proper divisors (17288154519756).

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

12966115889796 is a wasteful number, since it uses less digits than its factorization.

12966115889796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080509657490 (or 1080509657488 counting only the distinct ones).

The product of its digits is 705438720, while the sum is 78.

The spelling of 12966115889796 in words is "twelve trillion, nine hundred sixty-six billion, one hundred fifteen million, eight hundred eighty-nine thousand, seven hundred ninety-six".

Divisors: 1 2 3 4 6 12 1080509657483 2161019314966 3241528972449 4322038629932 6483057944898 12966115889796