Base | Representation |
---|---|
bin | 10101100111011100… |
… | …010011101100110001 |
3 | 2012220120021221021202 |
4 | 111213130103230301 |
5 | 340013314413244 |
6 | 14355045300545 |
7 | 1451113245404 |
oct | 254734235461 |
9 | 65816257252 |
10 | 23210310449 |
11 | 9930684857 |
12 | 45b9104755 |
13 | 225b816411 |
14 | 11a27d5d3b |
15 | 90ca0404e |
hex | 567713b31 |
23210310449 has 2 divisors, whose sum is σ = 23210310450. Its totient is φ = 23210310448.
The previous prime is 23210310439. The next prime is 23210310463. The reversal of 23210310449 is 94401301232.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 14448040000 + 8762270449 = 120200^2 + 93607^2 .
It is a cyclic number.
It is not a de Polignac number, because 23210310449 - 216 = 23210244913 is a prime.
It is a super-2 number, since 2×232103104492 (a number of 22 digits) contains 22 as substring.
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 (23210310439) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605155224 + 11605155225.
It is an arithmetic number, because the mean of its divisors is an integer number (11605155225).
Almost surely, 223210310449 is an apocalyptic number.
It is an amenable number.
23210310449 is a deficient number, since it is larger than the sum of its proper divisors (1).
23210310449 is an equidigital number, since it uses as much as digits as its factorization.
23210310449 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5184, while the sum is 29.
The spelling of 23210310449 in words is "twenty-three billion, two hundred ten million, three hundred ten thousand, four hundred forty-nine".
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