Base | Representation |
---|---|
bin | 10101111011011001… |
… | …010000010101010101 |
3 | 2020202220011200212101 |
4 | 111323121100111111 |
5 | 341210013221144 |
6 | 14452204122101 |
7 | 1462316442622 |
oct | 257331202525 |
9 | 66686150771 |
10 | 23545054549 |
11 | 9a92629a75 |
12 | 4691236331 |
13 | 22b2c8a653 |
14 | 11d5051349 |
15 | 92c0c76d4 |
hex | 57b650555 |
23545054549 has 2 divisors, whose sum is σ = 23545054550. Its totient is φ = 23545054548.
The previous prime is 23545054457. The next prime is 23545054583. The reversal of 23545054549 is 94545054532.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 23536162225 + 8892324 = 153415^2 + 2982^2 .
It is a cyclic number.
It is not a de Polignac number, because 23545054549 - 29 = 23545054037 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23545054499 and 23545054508.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23545052549) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11772527274 + 11772527275.
It is an arithmetic number, because the mean of its divisors is an integer number (11772527275).
Almost surely, 223545054549 is an apocalyptic number.
It is an amenable number.
23545054549 is a deficient number, since it is larger than the sum of its proper divisors (1).
23545054549 is an equidigital number, since it uses as much as digits as its factorization.
23545054549 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2160000, while the sum is 46.
The spelling of 23545054549 in words is "twenty-three billion, five hundred forty-five million, fifty-four thousand, five hundred forty-nine".
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