Base | Representation |
---|---|
bin | 11000011010010110… |
… | …00010011101100001 |
3 | 1020211101001200002001 |
4 | 30031023002131201 |
5 | 203320102234421 |
6 | 10004252524001 |
7 | 642530210062 |
oct | 141513023541 |
9 | 36741050061 |
10 | 13105899361 |
11 | 5615a36195 |
12 | 2659180601 |
13 | 130b2cc749 |
14 | 8c4854569 |
15 | 51a8be691 |
hex | 30d2c2761 |
13105899361 has 9 divisors (see below), whose sum is σ = 13188498481. Its totient is φ = 13023816484.
The previous prime is 13105899347. The next prime is 13105899383. The reversal of 13105899361 is 16399850131.
13105899361 = 13 + 23 + ... + 4783.
The square root of 13105899361 is 114481.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 13105899361 - 25 = 13105899329 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13105899311) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 27360720 + ... + 27361198.
Almost surely, 213105899361 is an apocalyptic number.
13105899361 is the 114481-st square number.
13105899361 is the 57241-st centered octagonal number.
It is an amenable number.
13105899361 is a deficient number, since it is larger than the sum of its proper divisors (82599120).
13105899361 is an frugal number, since it uses more digits than its factorization.
13105899361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1436 (or 718 counting only the distinct ones).
The product of its (nonzero) digits is 174960, while the sum is 46.
The spelling of 13105899361 in words is "thirteen billion, one hundred five million, eight hundred ninety-nine thousand, three hundred sixty-one".
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