Base | Representation |
---|---|
bin | 1111011001001111… |
… | …11100000101101101 |
3 | 210022222210101112102 |
4 | 13230213330011231 |
5 | 113411301010023 |
6 | 3444040344445 |
7 | 411545102534 |
oct | 75447740555 |
9 | 23288711472 |
10 | 8264860013 |
11 | 3561330723 |
12 | 1727a75125 |
13 | a19389517 |
14 | 58593131b |
15 | 3358b7628 |
hex | 1ec9fc16d |
8264860013 has 2 divisors, whose sum is σ = 8264860014. Its totient is φ = 8264860012.
The previous prime is 8264860001. The next prime is 8264860031. The reversal of 8264860013 is 3100684628.
It is a happy number.
Together with next prime (8264860031) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 8045731204 + 219128809 = 89698^2 + 14803^2 .
It is a cyclic number.
It is not a de Polignac number, because 8264860013 - 212 = 8264855917 is a prime.
It is a super-2 number, since 2×82648600132 (a number of 21 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (8264860033) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4132430006 + 4132430007.
It is an arithmetic number, because the mean of its divisors is an integer number (4132430007).
Almost surely, 28264860013 is an apocalyptic number.
It is an amenable number.
8264860013 is a deficient number, since it is larger than the sum of its proper divisors (1).
8264860013 is an equidigital number, since it uses as much as digits as its factorization.
8264860013 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 55296, while the sum is 38.
The square root of 8264860013 is about 90911.2754997971. The cubic root of 8264860013 is about 2021.8324721143.
The spelling of 8264860013 in words is "eight billion, two hundred sixty-four million, eight hundred sixty thousand, thirteen".
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