Base | Representation |
---|---|
bin | 1111101010100… |
… | …00010101110111 |
3 | 100011020212101122 |
4 | 13311100111313 |
5 | 232114313304 |
6 | 21012214155 |
7 | 3153614345 |
oct | 765202567 |
9 | 304225348 |
10 | 131401079 |
11 | 68199637 |
12 | 3800a35b |
13 | 212b9424 |
14 | 13646995 |
15 | b8089be |
hex | 7d50577 |
131401079 has 2 divisors, whose sum is σ = 131401080. Its totient is φ = 131401078.
The previous prime is 131401063. The next prime is 131401087. The reversal of 131401079 is 970104131.
131401079 is nontrivially palindromic in base 8.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 131401079 - 24 = 131401063 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131401019) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65700539 + 65700540.
It is an arithmetic number, because the mean of its divisors is an integer number (65700540).
Almost surely, 2131401079 is an apocalyptic number.
131401079 is a deficient number, since it is larger than the sum of its proper divisors (1).
131401079 is an equidigital number, since it uses as much as digits as its factorization.
131401079 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 756, while the sum is 26.
The square root of 131401079 is about 11463.0309691634. The cubic root of 131401079 is about 508.3930955687.
The spelling of 131401079 in words is "one hundred thirty-one million, four hundred one thousand, seventy-nine".
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