Base | Representation |
---|---|
bin | 10101011111101000… |
… | …010111011101100001 |
3 | 2012120102200120102220 |
4 | 111133220113131201 |
5 | 334231242110412 |
6 | 14334044301253 |
7 | 1444632264252 |
oct | 253750273541 |
9 | 65512616386 |
10 | 23079253857 |
11 | 9873701020 |
12 | 4581241829 |
13 | 223a61aa3a |
14 | 118d23cb29 |
15 | 90126768c |
hex | 55fa17761 |
23079253857 has 16 divisors (see below), whose sum is σ = 33573037248. Its totient is φ = 13986087680.
The previous prime is 23079253853. The next prime is 23079253919. The reversal of 23079253857 is 75835297032.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 23079253857 - 22 = 23079253853 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23079253853) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400453 + ... + 454445.
It is an arithmetic number, because the mean of its divisors is an integer number (2098314828).
Almost surely, 223079253857 is an apocalyptic number.
It is an amenable number.
23079253857 is a deficient number, since it is larger than the sum of its proper divisors (10493783391).
23079253857 is a wasteful number, since it uses less digits than its factorization.
23079253857 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66960.
The product of its (nonzero) digits is 3175200, while the sum is 51.
The spelling of 23079253857 in words is "twenty-three billion, seventy-nine million, two hundred fifty-three thousand, eight hundred fifty-seven".
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