Base | Representation |
---|---|
bin | 10101101000101001… |
… | …010110000110110001 |
3 | 2012221222021221112122 |
4 | 111220221112012301 |
5 | 340034002133033 |
6 | 14401050204025 |
7 | 1451450015654 |
oct | 255051260661 |
9 | 65858257478 |
10 | 23230505393 |
11 | 9941018597 |
12 | 4603a23615 |
13 | 2262a674a4 |
14 | 11a537189b |
15 | 90e692a98 |
hex | 568a561b1 |
23230505393 has 2 divisors, whose sum is σ = 23230505394. Its totient is φ = 23230505392.
The previous prime is 23230505357. The next prime is 23230505429. The reversal of 23230505393 is 39350503232.
It is a balanced prime because it is at equal distance from previous prime (23230505357) and next prime (23230505429).
It can be written as a sum of positive squares in only one way, i.e., 22795866289 + 434639104 = 150983^2 + 20848^2 .
It is a cyclic number.
It is not a de Polignac number, because 23230505393 - 26 = 23230505329 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (23230505693) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615252696 + 11615252697.
It is an arithmetic number, because the mean of its divisors is an integer number (11615252697).
Almost surely, 223230505393 is an apocalyptic number.
It is an amenable number.
23230505393 is a deficient number, since it is larger than the sum of its proper divisors (1).
23230505393 is an equidigital number, since it uses as much as digits as its factorization.
23230505393 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 72900, while the sum is 35.
The spelling of 23230505393 in words is "twenty-three billion, two hundred thirty million, five hundred five thousand, three hundred ninety-three".
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