Base | Representation |
---|---|
bin | 10101100111100011… |
… | …111011111111100001 |
3 | 2012220201001112211121 |
4 | 111213203323333201 |
5 | 340014322413442 |
6 | 14355200212241 |
7 | 1451136245425 |
oct | 254743737741 |
9 | 65821045747 |
10 | 23212310497 |
11 | 9931820492 |
12 | 45b990a081 |
13 | 225c06688c |
14 | 11a2b96b85 |
15 | 90cc9b967 |
hex | 5678fbfe1 |
23212310497 has 2 divisors, whose sum is σ = 23212310498. Its totient is φ = 23212310496.
The previous prime is 23212310489. The next prime is 23212310543. The reversal of 23212310497 is 79401321232.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 20869847296 + 2342463201 = 144464^2 + 48399^2 .
It is a cyclic number.
It is not a de Polignac number, because 23212310497 - 23 = 23212310489 is a prime.
It is a super-2 number, since 2×232123104972 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (23212310437) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606155248 + 11606155249.
It is an arithmetic number, because the mean of its divisors is an integer number (11606155249).
Almost surely, 223212310497 is an apocalyptic number.
It is an amenable number.
23212310497 is a deficient number, since it is larger than the sum of its proper divisors (1).
23212310497 is an equidigital number, since it uses as much as digits as its factorization.
23212310497 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 18144, while the sum is 34.
The spelling of 23212310497 in words is "twenty-three billion, two hundred twelve million, three hundred ten thousand, four hundred ninety-seven".
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