Base | Representation |
---|---|
bin | 1111101000100… |
… | …00101010010001 |
3 | 100010202121120222 |
4 | 13310100222101 |
5 | 232032441431 |
6 | 21002442425 |
7 | 3151450031 |
oct | 764205221 |
9 | 303677528 |
10 | 131140241 |
11 | 68030671 |
12 | 37b03415 |
13 | 2122779b |
14 | 135b98c1 |
15 | b7a657b |
hex | 7d10a91 |
131140241 has 2 divisors, whose sum is σ = 131140242. Its totient is φ = 131140240.
The previous prime is 131140213. The next prime is 131140253. The reversal of 131140241 is 142041131.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 129504400 + 1635841 = 11380^2 + 1279^2 .
It is a cyclic number.
It is not a de Polignac number, because 131140241 - 214 = 131123857 is a prime.
It is not a weakly prime, because it can be changed into another prime (131140201) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65570120 + 65570121.
It is an arithmetic number, because the mean of its divisors is an integer number (65570121).
Almost surely, 2131140241 is an apocalyptic number.
It is an amenable number.
131140241 is a deficient number, since it is larger than the sum of its proper divisors (1).
131140241 is an equidigital number, since it uses as much as digits as its factorization.
131140241 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 131140241 is about 11451.6479600099. The cubic root of 131140241 is about 508.0564771255.
Adding to 131140241 its reverse (142041131), we get a palindrome (273181372).
The spelling of 131140241 in words is "one hundred thirty-one million, one hundred forty thousand, two hundred forty-one".
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