Base | Representation |
---|---|
bin | 111001011011111110… |
… | …0111111010011110000 |
3 | 102210101010221121011222 |
4 | 1302313330333103300 |
5 | 4010102344142033 |
6 | 132355233524212 |
7 | 11624416526462 |
oct | 1626774772360 |
9 | 383333847158 |
10 | 123345302768 |
11 | 48346231656 |
12 | 1baa4113668 |
13 | b82929ba6c |
14 | 5d81756132 |
15 | 331da06598 |
hex | 1cb7f3f4f0 |
123345302768 has 80 divisors (see below), whose sum is σ = 248776220160. Its totient is φ = 59200401408.
The previous prime is 123345302719. The next prime is 123345302777. The reversal of 123345302768 is 867203543321.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20716880 + ... + 20722832.
It is an arithmetic number, because the mean of its divisors is an integer number (3109702752).
Almost surely, 2123345302768 is an apocalyptic number.
It is an amenable number.
123345302768 is an abundant number, since it is smaller than the sum of its proper divisors (125430917392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123345302768 is a wasteful number, since it uses less digits than its factorization.
123345302768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6534 (or 6528 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 44.
The spelling of 123345302768 in words is "one hundred twenty-three billion, three hundred forty-five million, three hundred two thousand, seven hundred sixty-eight".
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