Base | Representation |
---|---|
bin | 10101101000101000… |
… | …100110111100010101 |
3 | 2012221221221010112211 |
4 | 111220220212330111 |
5 | 340033424442323 |
6 | 14401042113421 |
7 | 1451445252523 |
oct | 255050467425 |
9 | 65857833484 |
10 | 23230312213 |
11 | 99409a6439 |
12 | 460394b871 |
13 | 22629ca594 |
14 | 11a5321313 |
15 | 90e65570d |
hex | 568a26f15 |
23230312213 has 2 divisors, whose sum is σ = 23230312214. Its totient is φ = 23230312212.
The previous prime is 23230312187. The next prime is 23230312219. The reversal of 23230312213 is 31221303232.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 22170614404 + 1059697809 = 148898^2 + 32553^2 .
It is a cyclic number.
It is not a de Polignac number, because 23230312213 - 221 = 23228215061 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23230312219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615156106 + 11615156107.
It is an arithmetic number, because the mean of its divisors is an integer number (11615156107).
Almost surely, 223230312213 is an apocalyptic number.
It is an amenable number.
23230312213 is a deficient number, since it is larger than the sum of its proper divisors (1).
23230312213 is an equidigital number, since it uses as much as digits as its factorization.
23230312213 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1296, while the sum is 22.
Adding to 23230312213 its reverse (31221303232), we get a palindrome (54451615445).
The spelling of 23230312213 in words is "twenty-three billion, two hundred thirty million, three hundred twelve thousand, two hundred thirteen".
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