Base | Representation |
---|---|
bin | 10101011100110001… |
… | …100011011000101101 |
3 | 2012110002111210202011 |
4 | 111130301203120231 |
5 | 334132010032344 |
6 | 14325213201221 |
7 | 1443511035466 |
oct | 253461433055 |
9 | 65402453664 |
10 | 23031330349 |
11 | 9849649415 |
12 | 4569190211 |
13 | 223070b831 |
14 | 1186b25d6d |
15 | 8ebe4cd34 |
hex | 55cc6362d |
23031330349 has 2 divisors, whose sum is σ = 23031330350. Its totient is φ = 23031330348.
The previous prime is 23031330323. The next prime is 23031330353. The reversal of 23031330349 is 94303313032.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 13731621124 + 9299709225 = 117182^2 + 96435^2 .
It is a cyclic number.
It is not a de Polignac number, because 23031330349 - 211 = 23031328301 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 23031330349.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23031310349) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515665174 + 11515665175.
It is an arithmetic number, because the mean of its divisors is an integer number (11515665175).
Almost surely, 223031330349 is an apocalyptic number.
It is an amenable number.
23031330349 is a deficient number, since it is larger than the sum of its proper divisors (1).
23031330349 is an equidigital number, since it uses as much as digits as its factorization.
23031330349 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 17496, while the sum is 31.
The spelling of 23031330349 in words is "twenty-three billion, thirty-one million, three hundred thirty thousand, three hundred forty-nine".
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