Base | Representation |
---|---|
bin | 1111101010100… |
… | …00011001111101 |
3 | 100011020212202100 |
4 | 13311100121331 |
5 | 232114320331 |
6 | 21012215313 |
7 | 3153615201 |
oct | 765203175 |
9 | 304225670 |
10 | 131401341 |
11 | 68199855 |
12 | 3800a539 |
13 | 212b9596 |
14 | 13646b01 |
15 | b808ae6 |
hex | 7d5067d |
131401341 has 12 divisors (see below), whose sum is σ = 191759932. Its totient is φ = 86697216.
The previous prime is 131401339. The next prime is 131401357. The reversal of 131401341 is 143104131.
It can be written as a sum of positive squares in 2 ways, for example, as 99082116 + 32319225 = 9954^2 + 5685^2 .
It is not a de Polignac number, because 131401341 - 21 = 131401339 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131401141) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74386 + ... + 76131.
Almost surely, 2131401341 is an apocalyptic number.
It is an amenable number.
131401341 is a deficient number, since it is larger than the sum of its proper divisors (60358591).
131401341 is a wasteful number, since it uses less digits than its factorization.
131401341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 150620 (or 150617 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 131401341 is about 11463.0423971998. The cubic root of 131401341 is about 508.3934334626.
Adding to 131401341 its reverse (143104131), we get a palindrome (274505472).
The spelling of 131401341 in words is "one hundred thirty-one million, four hundred one thousand, three hundred forty-one".
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