Base | Representation |
---|---|
bin | 11001001100111100… |
… | …01101001001110101 |
3 | 1021220221202012210002 |
4 | 30212132031021311 |
5 | 210202232314133 |
6 | 10114334241045 |
7 | 656203054031 |
oct | 144636151165 |
9 | 37827665702 |
10 | 13530354293 |
11 | 5813594495 |
12 | 2757356185 |
13 | 1378224101 |
14 | 924d831c1 |
15 | 542cb3ce8 |
hex | 32678d275 |
13530354293 has 2 divisors, whose sum is σ = 13530354294. Its totient is φ = 13530354292.
The previous prime is 13530354283. The next prime is 13530354373. The reversal of 13530354293 is 39245303531.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 8615923684 + 4914430609 = 92822^2 + 70103^2 .
It is a cyclic number.
It is not a de Polignac number, because 13530354293 - 228 = 13261918837 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13530354223) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765177146 + 6765177147.
It is an arithmetic number, because the mean of its divisors is an integer number (6765177147).
Almost surely, 213530354293 is an apocalyptic number.
It is an amenable number.
13530354293 is a deficient number, since it is larger than the sum of its proper divisors (1).
13530354293 is an equidigital number, since it uses as much as digits as its factorization.
13530354293 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 145800, while the sum is 38.
The spelling of 13530354293 in words is "thirteen billion, five hundred thirty million, three hundred fifty-four thousand, two hundred ninety-three".
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