Base | Representation |
---|---|
bin | 11000101010000000… |
… | …10100111010000101 |
3 | 1021011112022222021222 |
4 | 30111000110322011 |
5 | 204102222342221 |
6 | 10025305250125 |
7 | 646014161534 |
oct | 142500247205 |
9 | 37145288258 |
10 | 13237309061 |
11 | 5683130249 |
12 | 2695193945 |
13 | 132c5bca72 |
14 | 8d80a031b |
15 | 5271ca9ab |
hex | 315014e85 |
13237309061 has 2 divisors, whose sum is σ = 13237309062. Its totient is φ = 13237309060.
The previous prime is 13237308983. The next prime is 13237309069. The reversal of 13237309061 is 16090373231.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 11120757025 + 2116552036 = 105455^2 + 46006^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13237309061 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13237309069) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6618654530 + 6618654531.
It is an arithmetic number, because the mean of its divisors is an integer number (6618654531).
Almost surely, 213237309061 is an apocalyptic number.
It is an amenable number.
13237309061 is a deficient number, since it is larger than the sum of its proper divisors (1).
13237309061 is an equidigital number, since it uses as much as digits as its factorization.
13237309061 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 20412, while the sum is 35.
The spelling of 13237309061 in words is "thirteen billion, two hundred thirty-seven million, three hundred nine thousand, sixty-one".
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