Base | Representation |
---|---|
bin | 10110101010101001… |
… | …01100000011111110 |
3 | 1011102001221102101122 |
4 | 23111110230003332 |
5 | 144410214424313 |
6 | 5331301510542 |
7 | 610361662010 |
oct | 132524540376 |
9 | 34361842348 |
10 | 12168904958 |
11 | 5185036451 |
12 | 2437412452 |
13 | 11bc1525a2 |
14 | 8362281b0 |
15 | 4b34d6708 |
hex | 2d552c0fe |
12168904958 has 48 divisors (see below), whose sum is σ = 22050207360. Its totient is φ = 4933246032.
The previous prime is 12168904903. The next prime is 12168904973. The reversal of 12168904958 is 85940986121.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4339985 + ... + 4342787.
It is an arithmetic number, because the mean of its divisors is an integer number (459379320).
Almost surely, 212168904958 is an apocalyptic number.
12168904958 is a deficient number, since it is larger than the sum of its proper divisors (9881302402).
12168904958 is a wasteful number, since it uses less digits than its factorization.
12168904958 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3709 (or 3690 counting only the distinct ones).
The product of its (nonzero) digits is 1244160, while the sum is 53.
The spelling of 12168904958 in words is "twelve billion, one hundred sixty-eight million, nine hundred four thousand, nine hundred fifty-eight".
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