Base | Representation |
---|---|
bin | 1111100111110… |
… | …00011101110111 |
3 | 100010120120122200 |
4 | 13303320131313 |
5 | 232021304033 |
6 | 21000355543 |
7 | 3150555102 |
oct | 763703567 |
9 | 303516580 |
10 | 131041143 |
11 | 67a73172 |
12 | 37a75bb3 |
13 | 211c164c |
14 | 13591739 |
15 | b787013 |
hex | 7cf8777 |
131041143 has 24 divisors (see below), whose sum is σ = 198233568. Its totient is φ = 83257152.
The previous prime is 131041139. The next prime is 131041153. The reversal of 131041143 is 341140131.
It is not a de Polignac number, because 131041143 - 22 = 131041139 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131041153) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64621 + ... + 66617.
It is an arithmetic number, because the mean of its divisors is an integer number (8259732).
Almost surely, 2131041143 is an apocalyptic number.
131041143 is a deficient number, since it is larger than the sum of its proper divisors (67192425).
131041143 is a wasteful number, since it uses less digits than its factorization.
131041143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2343 (or 2340 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 131041143 is about 11447.3203414598. The cubic root of 131041143 is about 507.9284714943.
Adding to 131041143 its reverse (341140131), we get a palindrome (472181274).
The spelling of 131041143 in words is "one hundred thirty-one million, forty-one thousand, one hundred forty-three".
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