Base | Representation |
---|---|
bin | 10101101000101001… |
… | …010110000101011001 |
3 | 2012221222021221102101 |
4 | 111220221112011121 |
5 | 340034002132210 |
6 | 14401050203401 |
7 | 1451450015500 |
oct | 255051260531 |
9 | 65858257371 |
10 | 23230505305 |
11 | 9941018517 |
12 | 4603a23561 |
13 | 2262a67437 |
14 | 11a5371837 |
15 | 90e692a3a |
hex | 568a56159 |
23230505305 has 12 divisors (see below), whose sum is σ = 32427889380. Its totient is φ = 15929489184.
The previous prime is 23230505281. The next prime is 23230505327. The reversal of 23230505305 is 50350503232.
It can be written as a sum of positive squares in 2 ways, for example, as 7163421769 + 16067083536 = 84637^2 + 126756^2 .
It is not a de Polignac number, because 23230505305 - 215 = 23230472537 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47408950 + ... + 47409439.
It is an arithmetic number, because the mean of its divisors is an integer number (2702324115).
Almost surely, 223230505305 is an apocalyptic number.
It is an amenable number.
23230505305 is a deficient number, since it is larger than the sum of its proper divisors (9197384075).
23230505305 is an equidigital number, since it uses as much as digits as its factorization.
23230505305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94818408 (or 94818401 counting only the distinct ones).
The product of its (nonzero) digits is 13500, while the sum is 28.
The spelling of 23230505305 in words is "twenty-three billion, two hundred thirty million, five hundred five thousand, three hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •