Base | Representation |
---|---|
bin | 11001001101000000… |
… | …10000011111100101 |
3 | 1021220222202112201211 |
4 | 30212200100133211 |
5 | 210202402023021 |
6 | 10114353551421 |
7 | 656210454325 |
oct | 144640203745 |
9 | 37828675654 |
10 | 13530892261 |
11 | 5813921697 |
12 | 2757575571 |
13 | 1378381c33 |
14 | 925083285 |
15 | 542d6d3e1 |
hex | 3268107e5 |
13530892261 has 2 divisors, whose sum is σ = 13530892262. Its totient is φ = 13530892260.
The previous prime is 13530892231. The next prime is 13530892273. The reversal of 13530892261 is 16229803531.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12828960225 + 701932036 = 113265^2 + 26494^2 .
It is an emirp because it is prime and its reverse (16229803531) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13530892261 - 233 = 4940957669 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13530892211) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765446130 + 6765446131.
It is an arithmetic number, because the mean of its divisors is an integer number (6765446131).
Almost surely, 213530892261 is an apocalyptic number.
It is an amenable number.
13530892261 is a deficient number, since it is larger than the sum of its proper divisors (1).
13530892261 is an equidigital number, since it uses as much as digits as its factorization.
13530892261 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 77760, while the sum is 40.
The spelling of 13530892261 in words is "thirteen billion, five hundred thirty million, eight hundred ninety-two thousand, two hundred sixty-one".
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