Base | Representation |
---|---|
bin | 11000101001001010… |
… | …10011001100010101 |
3 | 1021011001000000121211 |
4 | 30110211103030111 |
5 | 204043414133044 |
6 | 10024453341421 |
7 | 645600023032 |
oct | 142445231425 |
9 | 37131000554 |
10 | 13230224149 |
11 | 567a13124a |
12 | 2692937871 |
13 | 132acabccc |
14 | 8d7178389 |
15 | 52677b634 |
hex | 314953315 |
13230224149 has 2 divisors, whose sum is σ = 13230224150. Its totient is φ = 13230224148.
The previous prime is 13230224129. The next prime is 13230224167. The reversal of 13230224149 is 94142203231.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 13222700100 + 7524049 = 114990^2 + 2743^2 .
It is a cyclic number.
It is not a de Polignac number, because 13230224149 - 221 = 13228126997 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13230224149.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13230224129) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615112074 + 6615112075.
It is an arithmetic number, because the mean of its divisors is an integer number (6615112075).
Almost surely, 213230224149 is an apocalyptic number.
It is an amenable number.
13230224149 is a deficient number, since it is larger than the sum of its proper divisors (1).
13230224149 is an equidigital number, since it uses as much as digits as its factorization.
13230224149 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10368, while the sum is 31.
The spelling of 13230224149 in words is "thirteen billion, two hundred thirty million, two hundred twenty-four thousand, one hundred forty-nine".
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