Base | Representation |
---|---|
bin | 1110101111100… |
… | …11000011111000 |
3 | 22121201112122112 |
4 | 13113303003320 |
5 | 223130211333 |
6 | 20134511452 |
7 | 3031153040 |
oct | 727630370 |
9 | 277645575 |
10 | 123678968 |
11 | 638a4926 |
12 | 35505588 |
13 | 1c81462a |
14 | 125d6720 |
15 | acd0948 |
hex | 75f30f8 |
123678968 has 32 divisors (see below), whose sum is σ = 274168800. Its totient is φ = 51176832.
The previous prime is 123678953. The next prime is 123678979. The reversal of 123678968 is 869876321.
It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.
It is a congruent number.
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, 36455 + ... + 39702.
It is an arithmetic number, because the mean of its divisors is an integer number (8567775).
Almost surely, 2123678968 is an apocalyptic number.
It is an amenable number.
123678968 is an abundant number, since it is smaller than the sum of its proper divisors (150489832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123678968 is a wasteful number, since it uses less digits than its factorization.
123678968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76199 (or 76195 counting only the distinct ones).
The product of its digits is 870912, while the sum is 50.
The square root of 123678968 is about 11121.1046213944. The cubic root of 123678968 is about 498.2323824200.
The spelling of 123678968 in words is "one hundred twenty-three million, six hundred seventy-eight thousand, nine hundred sixty-eight".
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