Base | Representation |
---|---|
bin | 100111011010001110… |
… | …001011111100101001 |
3 | 11001020001202022001002 |
4 | 213122032023330221 |
5 | 1143130324421310 |
6 | 31234543404345 |
7 | 3025424566352 |
oct | 473216137451 |
9 | 131201668032 |
10 | 42315857705 |
11 | 16a45220230 |
12 | 824b5b36b5 |
13 | 3cb4aba574 |
14 | 2095da6d29 |
15 | 1179e8bda5 |
hex | 9da38bf29 |
42315857705 has 32 divisors (see below), whose sum is σ = 55891555200. Its totient is φ = 30500408320.
The previous prime is 42315857687. The next prime is 42315857741. The reversal of 42315857705 is 50775851324.
It is a de Polignac number, because none of the positive numbers 2k-42315857705 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 42315857705.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3821537 + ... + 3832593.
It is an arithmetic number, because the mean of its divisors is an integer number (1746611100).
Almost surely, 242315857705 is an apocalyptic number.
It is an amenable number.
42315857705 is a deficient number, since it is larger than the sum of its proper divisors (13575697495).
42315857705 is a wasteful number, since it uses less digits than its factorization.
42315857705 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11689.
The product of its (nonzero) digits is 1176000, while the sum is 47.
The spelling of 42315857705 in words is "forty-two billion, three hundred fifteen million, eight hundred fifty-seven thousand, seven hundred five".
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