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12307666158 = 2321511452521
BaseRepresentation
bin10110111011001100…
…00001010011101110
31011202202001012222100
423131212001103232
5200201230304113
65353135555530
7613665302424
oct133546012356
934682035870
1012307666158
1152463a1827
12247598bba6
131211b17ac8
1484a829114
154c0795d73
hex2dd9814ee

12307666158 has 24 divisors (see below), whose sum is σ = 26684317296. Its totient is φ = 4099831200.

The previous prime is 12307666109. The next prime is 12307666243. The reversal of 12307666158 is 85166670321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199063 + ... + 253458.

It is an arithmetic number, because the mean of its divisors is an integer number (1111846554).

Almost surely, 212307666158 is an apocalyptic number.

12307666158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12307666158 is an abundant number, since it is smaller than the sum of its proper divisors (14376651138).

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

12307666158 is a wasteful number, since it uses less digits than its factorization.

12307666158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454040 (or 454037 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 12307666158 in words is "twelve billion, three hundred seven million, six hundred sixty-six thousand, one hundred fifty-eight".

Divisors: 1 2 3 6 9 18 1511 3022 4533 9066 13599 27198 452521 905042 1357563 2715126 4072689 8145378 683759231 1367518462 2051277693 4102555386 6153833079 12307666158