Base | Representation |
---|---|
bin | 10101101000101000… |
… | …010001001101011101 |
3 | 2012221221202121102221 |
4 | 111220220101031131 |
5 | 340033414120242 |
6 | 14401040145341 |
7 | 1451444432146 |
oct | 255050211535 |
9 | 65857677387 |
10 | 23230223197 |
11 | 9940945575 |
12 | 4603908251 |
13 | 2262998bcc |
14 | 11a52daacd |
15 | 90e639167 |
hex | 568a1135d |
23230223197 has 2 divisors, whose sum is σ = 23230223198. Its totient is φ = 23230223196.
The previous prime is 23230223179. The next prime is 23230223239. The reversal of 23230223197 is 79132203232.
Together with previous prime (23230223179) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 12821938756 + 10408284441 = 113234^2 + 102021^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23230223197 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23230223297) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615111598 + 11615111599.
It is an arithmetic number, because the mean of its divisors is an integer number (11615111599).
Almost surely, 223230223197 is an apocalyptic number.
It is an amenable number.
23230223197 is a deficient number, since it is larger than the sum of its proper divisors (1).
23230223197 is an equidigital number, since it uses as much as digits as its factorization.
23230223197 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 27216, while the sum is 34.
The spelling of 23230223197 in words is "twenty-three billion, two hundred thirty million, two hundred twenty-three thousand, one hundred ninety-seven".
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