Base | Representation |
---|---|
bin | 1110101101010… |
… | …11011110101000 |
3 | 22121011122110021 |
4 | 13112223132220 |
5 | 223041321033 |
6 | 20124330224 |
7 | 3025522162 |
oct | 726533650 |
9 | 277148407 |
10 | 123385768 |
11 | 63714610 |
12 | 353a3974 |
13 | 1c74103c |
14 | 1255b932 |
15 | ac73b2d |
hex | 75ab7a8 |
123385768 has 32 divisors (see below), whose sum is σ = 255850560. Its totient is φ = 55313280.
The previous prime is 123385751. The next prime is 123385781. The reversal of 123385768 is 867583321.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3180 + ... + 16027.
It is an arithmetic number, because the mean of its divisors is an integer number (7995330).
Almost surely, 2123385768 is an apocalyptic number.
It is an amenable number.
123385768 is an abundant number, since it is smaller than the sum of its proper divisors (132464792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123385768 is a wasteful number, since it uses less digits than its factorization.
123385768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19297 (or 19293 counting only the distinct ones).
The product of its digits is 241920, while the sum is 43.
The square root of 123385768 is about 11107.9146557759. The cubic root of 123385768 is about 497.8383587484.
The spelling of 123385768 in words is "one hundred twenty-three million, three hundred eighty-five thousand, seven hundred sixty-eight".
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