Base | Representation |
---|---|
bin | 10101110011100101… |
… | …001101010110000101 |
3 | 2020102202111221002112 |
4 | 111303211031112011 |
5 | 340422434022214 |
6 | 14431202350405 |
7 | 1456135315052 |
oct | 256345152605 |
9 | 66382457075 |
10 | 23413970309 |
11 | 9a25637494 |
12 | 465535b405 |
13 | 2291a82502 |
14 | 11c188c029 |
15 | 920832a3e |
hex | 57394d585 |
23413970309 has 4 divisors (see below), whose sum is σ = 23710349760. Its totient is φ = 23117590860.
The previous prime is 23413970299. The next prime is 23413970311. The reversal of 23413970309 is 90307931432.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 23413970309 - 28 = 23413970053 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23413970339) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148189607 + ... + 148189764.
It is an arithmetic number, because the mean of its divisors is an integer number (5927587440).
Almost surely, 223413970309 is an apocalyptic number.
It is an amenable number.
23413970309 is a deficient number, since it is larger than the sum of its proper divisors (296379451).
23413970309 is an equidigital number, since it uses as much as digits as its factorization.
23413970309 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 296379450.
The product of its (nonzero) digits is 122472, while the sum is 41.
The spelling of 23413970309 in words is "twenty-three billion, four hundred thirteen million, nine hundred seventy thousand, three hundred nine".
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