Base | Representation |
---|---|
bin | 1011101010100000… |
… | …1000100010001101 |
3 | 22002012200111021002 |
4 | 2322220020202031 |
5 | 22403024123033 |
6 | 1234405550045 |
7 | 140406523361 |
oct | 27250104215 |
9 | 8065614232 |
10 | 3131082893 |
11 | 1367461a14 |
12 | 734715325 |
13 | 3ab8bbb93 |
14 | 219ba92a1 |
15 | 134d383e8 |
hex | baa0888d |
3131082893 has 2 divisors, whose sum is σ = 3131082894. Its totient is φ = 3131082892.
The previous prime is 3131082841. The next prime is 3131082947. The reversal of 3131082893 is 3982801313.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2101122244 + 1029960649 = 45838^2 + 32093^2 .
It is a cyclic number.
It is not a de Polignac number, because 3131082893 - 210 = 3131081869 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3131082293) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565541446 + 1565541447.
It is an arithmetic number, because the mean of its divisors is an integer number (1565541447).
Almost surely, 23131082893 is an apocalyptic number.
It is an amenable number.
3131082893 is a deficient number, since it is larger than the sum of its proper divisors (1).
3131082893 is an equidigital number, since it uses as much as digits as its factorization.
3131082893 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 31104, while the sum is 38.
The square root of 3131082893 is about 55956.0800360426. The cubic root of 3131082893 is about 1462.9568669132.
The spelling of 3131082893 in words is "three billion, one hundred thirty-one million, eighty-two thousand, eight hundred ninety-three".
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