Base | Representation |
---|---|
bin | 1001010000101111… |
… | …0111001011011001 |
3 | 20102021002212120221 |
4 | 2110023313023121 |
5 | 20042422400221 |
6 | 1050410320041 |
7 | 115415551315 |
oct | 22413671331 |
9 | 6367085527 |
10 | 2486137561 |
11 | 10663a5a46 |
12 | 594729021 |
13 | 3080b781b |
14 | 198282b45 |
15 | e83dd541 |
hex | 942f72d9 |
2486137561 has 2 divisors, whose sum is σ = 2486137562. Its totient is φ = 2486137560.
The previous prime is 2486137553. The next prime is 2486137601. The reversal of 2486137561 is 1657316842.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2380952025 + 105185536 = 48795^2 + 10256^2 .
It is a cyclic number.
It is not a de Polignac number, because 2486137561 - 23 = 2486137553 is a prime.
It is not a weakly prime, because it can be changed into another prime (2486137361) 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, 1243068780 + 1243068781.
It is an arithmetic number, because the mean of its divisors is an integer number (1243068781).
Almost surely, 22486137561 is an apocalyptic number.
It is an amenable number.
2486137561 is a deficient number, since it is larger than the sum of its proper divisors (1).
2486137561 is an equidigital number, since it uses as much as digits as its factorization.
2486137561 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 241920, while the sum is 43.
The square root of 2486137561 is about 49861.1829081501. The cubic root of 2486137561 is about 1354.6955940784.
The spelling of 2486137561 in words is "two billion, four hundred eighty-six million, one hundred thirty-seven thousand, five hundred sixty-one".
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