Base | Representation |
---|---|
bin | 11000010000001110… |
… | …10011001110000101 |
3 | 1020121110101000210102 |
4 | 30020013103032011 |
5 | 203131341031344 |
6 | 5552021533445 |
7 | 640446646232 |
oct | 141007231605 |
9 | 36543330712 |
10 | 13021033349 |
11 | 5582041095 |
12 | 2634874285 |
13 | 12c685757c |
14 | 8b7482789 |
15 | 513208e4e |
hex | 3081d3385 |
13021033349 has 2 divisors, whose sum is σ = 13021033350. Its totient is φ = 13021033348.
The previous prime is 13021033301. The next prime is 13021033373. The reversal of 13021033349 is 94333012031.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12966376900 + 54656449 = 113870^2 + 7393^2 .
It is an emirp because it is prime and its reverse (94333012031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13021033349 - 232 = 8726066053 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13021033049) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510516674 + 6510516675.
It is an arithmetic number, because the mean of its divisors is an integer number (6510516675).
Almost surely, 213021033349 is an apocalyptic number.
It is an amenable number.
13021033349 is a deficient number, since it is larger than the sum of its proper divisors (1).
13021033349 is an equidigital number, since it uses as much as digits as its factorization.
13021033349 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5832, while the sum is 29.
The spelling of 13021033349 in words is "thirteen billion, twenty-one million, thirty-three thousand, three hundred forty-nine".
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