Base | Representation |
---|---|
bin | 111101001001111100… |
… | …1000100111101010101 |
3 | 110112222122000001002012 |
4 | 1322103321010331111 |
5 | 4122431014412044 |
6 | 140155434354005 |
7 | 12326325361124 |
oct | 1722371047525 |
9 | 415878001065 |
10 | 131330232149 |
11 | 50773546246 |
12 | 2155228b905 |
13 | c4cc66634c |
14 | 64dc019abb |
15 | 3639a2659e |
hex | 1e93e44f55 |
131330232149 has 2 divisors, whose sum is σ = 131330232150. Its totient is φ = 131330232148.
The previous prime is 131330232119. The next prime is 131330232169. The reversal of 131330232149 is 941232033131.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 121253686225 + 10076545924 = 348215^2 + 100382^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131330232149 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131330232119) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65665116074 + 65665116075.
It is an arithmetic number, because the mean of its divisors is an integer number (65665116075).
Almost surely, 2131330232149 is an apocalyptic number.
It is an amenable number.
131330232149 is a deficient number, since it is larger than the sum of its proper divisors (1).
131330232149 is an equidigital number, since it uses as much as digits as its factorization.
131330232149 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 11664, while the sum is 32.
The spelling of 131330232149 in words is "one hundred thirty-one billion, three hundred thirty million, two hundred thirty-two thousand, one hundred forty-nine".
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