Base | Representation |
---|---|
bin | 1111101000100… |
… | …00111110101111 |
3 | 100010202200101111 |
4 | 13310100332233 |
5 | 232033012201 |
6 | 21002452451 |
7 | 3151453612 |
oct | 764207657 |
9 | 303680344 |
10 | 131141551 |
11 | 68031652 |
12 | 37b04127 |
13 | 21228268 |
14 | 135ba179 |
15 | b7a6b51 |
hex | 7d10faf |
131141551 has 2 divisors, whose sum is σ = 131141552. Its totient is φ = 131141550.
The previous prime is 131141513. The next prime is 131141599. The reversal of 131141551 is 155141131.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 131141551 - 29 = 131141039 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131141051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65570775 + 65570776.
It is an arithmetic number, because the mean of its divisors is an integer number (65570776).
Almost surely, 2131141551 is an apocalyptic number.
131141551 is a deficient number, since it is larger than the sum of its proper divisors (1).
131141551 is an equidigital number, since it uses as much as digits as its factorization.
131141551 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 300, while the sum is 22.
The square root of 131141551 is about 11451.7051568751. The cubic root of 131141551 is about 508.0581688304.
Adding to 131141551 its reverse (155141131), we get a palindrome (286282682).
The spelling of 131141551 in words is "one hundred thirty-one million, one hundred forty-one thousand, five hundred fifty-one".
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