Base | Representation |
---|---|
bin | 1111101000100… |
… | …00111000000101 |
3 | 100010202122210201 |
4 | 13310100320011 |
5 | 232033004000 |
6 | 21002450501 |
7 | 3151452433 |
oct | 764207005 |
9 | 303678721 |
10 | 131141125 |
11 | 680312a5 |
12 | 37b03a31 |
13 | 21227ccb |
14 | 135b9d53 |
15 | b7a696a |
hex | 7d10e05 |
131141125 has 8 divisors (see below), whose sum is σ = 163664280. Its totient is φ = 104912800.
The previous prime is 131141117. The next prime is 131141149. The reversal of 131141125 is 521141131.
It can be written as a sum of positive squares in 4 ways, for example, as 2477476 + 128663649 = 1574^2 + 11343^2 .
It is not a de Polignac number, because 131141125 - 23 = 131141117 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524440 + ... + 524689.
It is an arithmetic number, because the mean of its divisors is an integer number (20458035).
Almost surely, 2131141125 is an apocalyptic number.
It is an amenable number.
131141125 is a deficient number, since it is larger than the sum of its proper divisors (32523155).
131141125 is an equidigital number, since it uses as much as digits as its factorization.
131141125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1049144 (or 1049134 counting only the distinct ones).
The product of its digits is 120, while the sum is 19.
The square root of 131141125 is about 11451.6865570098. The cubic root of 131141125 is about 508.0576187047.
Adding to 131141125 its reverse (521141131), we get a palindrome (652282256).
It can be divided in two parts, 1311 and 41125, that added together give a square (42436 = 2062).
The spelling of 131141125 in words is "one hundred thirty-one million, one hundred forty-one thousand, one hundred twenty-five".
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