Base | Representation |
---|---|
bin | 11101101100001100… |
… | …111100101110011011 |
3 | 10001021210001010101102 |
4 | 131230030330232123 |
5 | 1010242301323414 |
6 | 22351233142015 |
7 | 2206006264061 |
oct | 355414745633 |
9 | 101253033342 |
10 | 31880104859 |
11 | 1257a5406a9 |
12 | 62186ba90b |
13 | 3010a51195 |
14 | 1786014031 |
15 | c68c06ede |
hex | 76c33cb9b |
31880104859 has 2 divisors, whose sum is σ = 31880104860. Its totient is φ = 31880104858.
The previous prime is 31880104733. The next prime is 31880104897. The reversal of 31880104859 is 95840108813.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 31880104859 - 28 = 31880104603 is a prime.
It is not a weakly prime, because it can be changed into another prime (31880104259) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15940052429 + 15940052430.
It is an arithmetic number, because the mean of its divisors is an integer number (15940052430).
Almost surely, 231880104859 is an apocalyptic number.
31880104859 is a deficient number, since it is larger than the sum of its proper divisors (1).
31880104859 is an equidigital number, since it uses as much as digits as its factorization.
31880104859 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 276480, while the sum is 47.
The spelling of 31880104859 in words is "thirty-one billion, eight hundred eighty million, one hundred four thousand, eight hundred fifty-nine".
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