Base | Representation |
---|---|
bin | 1001100011001000… |
… | …1011100001011111 |
3 | 20121122021200112021 |
4 | 2120302023201133 |
5 | 20222200304411 |
6 | 1102204121011 |
7 | 120343421164 |
oct | 23062134137 |
9 | 6548250467 |
10 | 2563291231 |
11 | 10a5a02706 |
12 | 5b6536167 |
13 | 31b08c497 |
14 | 1a460806b |
15 | 10007da71 |
hex | 98c8b85f |
2563291231 has 2 divisors, whose sum is σ = 2563291232. Its totient is φ = 2563291230.
The previous prime is 2563291207. The next prime is 2563291261. The reversal of 2563291231 is 1321923652.
2563291231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2563291231 - 227 = 2429073503 is a prime.
It is a super-2 number, since 2×25632912312 = 13140923869842990722, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2563291261) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1281645615 + 1281645616.
It is an arithmetic number, because the mean of its divisors is an integer number (1281645616).
Almost surely, 22563291231 is an apocalyptic number.
2563291231 is a deficient number, since it is larger than the sum of its proper divisors (1).
2563291231 is an equidigital number, since it uses as much as digits as its factorization.
2563291231 is an evil number, because the sum of its binary digits is even.
The product of its digits is 19440, while the sum is 34.
The square root of 2563291231 is about 50628.9564478669. The cubic root of 2563291231 is about 1368.5667485646.
The spelling of 2563291231 in words is "two billion, five hundred sixty-three million, two hundred ninety-one thousand, two hundred thirty-one".
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