Base | Representation |
---|---|
bin | 1001110110110000… |
… | …0011001010110111 |
3 | 20211101002220002122 |
4 | 2131230003022313 |
5 | 20404231221411 |
6 | 1114303430155 |
7 | 122362655513 |
oct | 23554031267 |
9 | 6741086078 |
10 | 2645570231 |
11 | 11383a0087 |
12 | 619bb535b |
13 | 332139c95 |
14 | 1b1505143 |
15 | 1073d29db |
hex | 9db032b7 |
2645570231 has 2 divisors, whose sum is σ = 2645570232. Its totient is φ = 2645570230.
The previous prime is 2645570197. The next prime is 2645570261. The reversal of 2645570231 is 1320755462.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2645570231 - 26 = 2645570167 is a prime.
It is a super-2 number, since 2×26455702312 = 13998083694306786722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2645570191 and 2645570200.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2645570261) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1322785115 + 1322785116.
It is an arithmetic number, because the mean of its divisors is an integer number (1322785116).
Almost surely, 22645570231 is an apocalyptic number.
2645570231 is a deficient number, since it is larger than the sum of its proper divisors (1).
2645570231 is an equidigital number, since it uses as much as digits as its factorization.
2645570231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 50400, while the sum is 35.
The square root of 2645570231 is about 51435.1069892928. The cubic root of 2645570231 is about 1383.0559998670.
The spelling of 2645570231 in words is "two billion, six hundred forty-five million, five hundred seventy thousand, two hundred thirty-one".
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