Base | Representation |
---|---|
bin | 111101001101001110… |
… | …0001100111101101111 |
3 | 110120021021202001221022 |
4 | 1322122130030331233 |
5 | 4123142131301104 |
6 | 140214401324355 |
7 | 12332131305122 |
oct | 1723234147557 |
9 | 416237661838 |
10 | 131440103279 |
11 | 5081a56a031 |
12 | 215830366bb |
13 | c519354b54 |
14 | 650c85a3b9 |
15 | 36444cabbe |
hex | 1e9a70cf6f |
131440103279 has 2 divisors, whose sum is σ = 131440103280. Its totient is φ = 131440103278.
The previous prime is 131440103233. The next prime is 131440103303. The reversal of 131440103279 is 972301044131.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131440103279 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131440103219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65720051639 + 65720051640.
It is an arithmetic number, because the mean of its divisors is an integer number (65720051640).
Almost surely, 2131440103279 is an apocalyptic number.
131440103279 is a deficient number, since it is larger than the sum of its proper divisors (1).
131440103279 is an equidigital number, since it uses as much as digits as its factorization.
131440103279 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 18144, while the sum is 35.
The spelling of 131440103279 in words is "one hundred thirty-one billion, four hundred forty million, one hundred three thousand, two hundred seventy-nine".
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