Base | Representation |
---|---|
bin | 11000101001010000… |
… | …10110000000111111 |
3 | 1021011002111120021011 |
4 | 30110220112000333 |
5 | 204044120202033 |
6 | 10024522420051 |
7 | 645606555403 |
oct | 142450260077 |
9 | 37132446234 |
10 | 13231022143 |
11 | 567a626849 |
12 | 2693061627 |
13 | 132b1cb2b1 |
14 | 8d7305103 |
15 | 526887ccd |
hex | 314a1603f |
13231022143 has 2 divisors, whose sum is σ = 13231022144. Its totient is φ = 13231022142.
The previous prime is 13231022117. The next prime is 13231022173. The reversal of 13231022143 is 34122013231.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13231022143 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13231022173) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615511071 + 6615511072.
It is an arithmetic number, because the mean of its divisors is an integer number (6615511072).
Almost surely, 213231022143 is an apocalyptic number.
13231022143 is a deficient number, since it is larger than the sum of its proper divisors (1).
13231022143 is an equidigital number, since it uses as much as digits as its factorization.
13231022143 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 13231022143 its reverse (34122013231), we get a palindrome (47353035374).
The spelling of 13231022143 in words is "thirteen billion, two hundred thirty-one million, twenty-two thousand, one hundred forty-three".
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