Base | Representation |
---|---|
bin | 1111101000000… |
… | …10000001011011 |
3 | 100010122120100022 |
4 | 13310002001123 |
5 | 232024032113 |
6 | 21001301055 |
7 | 3151110155 |
oct | 764020133 |
9 | 303576308 |
10 | 131080283 |
11 | 67a9a614 |
12 | 37a9478b |
13 | 212063c9 |
14 | 135a1ad5 |
15 | b793908 |
hex | 7d0205b |
131080283 has 2 divisors, whose sum is σ = 131080284. Its totient is φ = 131080282.
The previous prime is 131080253. The next prime is 131080343. The reversal of 131080283 is 382080131.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 131080283 - 224 = 114303067 is a prime.
It is not a weakly prime, because it can be changed into another prime (131080253) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65540141 + 65540142.
It is an arithmetic number, because the mean of its divisors is an integer number (65540142).
Almost surely, 2131080283 is an apocalyptic number.
131080283 is a deficient number, since it is larger than the sum of its proper divisors (1).
131080283 is an equidigital number, since it uses as much as digits as its factorization.
131080283 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1152, while the sum is 26.
The square root of 131080283 is about 11449.0297842219. The cubic root of 131080283 is about 507.9790366347.
The spelling of 131080283 in words is "one hundred thirty-one million, eighty thousand, two hundred eighty-three".
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