Base | Representation |
---|---|
bin | 10110111011001100… |
… | …00001010011101110 |
3 | 1011202202001012222100 |
4 | 23131212001103232 |
5 | 200201230304113 |
6 | 5353135555530 |
7 | 613665302424 |
oct | 133546012356 |
9 | 34682035870 |
10 | 12307666158 |
11 | 52463a1827 |
12 | 247598bba6 |
13 | 1211b17ac8 |
14 | 84a829114 |
15 | 4c0795d73 |
hex | 2dd9814ee |
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".
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