Base | Representation |
---|---|
bin | 10101110011111110… |
… | …100011100111111101 |
3 | 2020110020000112010022 |
4 | 111303332203213331 |
5 | 340431134141130 |
6 | 14432001021525 |
7 | 1456245641603 |
oct | 256376434775 |
9 | 66406015108 |
10 | 23420615165 |
11 | 9a29365902 |
12 | 46576248a5 |
13 | 229326ab8c |
14 | 11c26db873 |
15 | 9211e67e5 |
hex | 573fa39fd |
23420615165 has 32 divisors (see below), whose sum is σ = 30752317440. Its totient is φ = 17046374400.
The previous prime is 23420615137. The next prime is 23420615219. The reversal of 23420615165 is 56151602432.
It is not a de Polignac number, because 23420615165 - 224 = 23403837949 is a prime.
It is a congruent number.
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, 2606801 + ... + 2615769.
It is an arithmetic number, because the mean of its divisors is an integer number (961009920).
Almost surely, 223420615165 is an apocalyptic number.
It is an amenable number.
23420615165 is a deficient number, since it is larger than the sum of its proper divisors (7331702275).
23420615165 is a wasteful number, since it uses less digits than its factorization.
23420615165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10013.
The product of its (nonzero) digits is 43200, while the sum is 35.
The spelling of 23420615165 in words is "twenty-three billion, four hundred twenty million, six hundred fifteen thousand, one hundred sixty-five".
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