Base | Representation |
---|---|
bin | 1111101000100… |
… | …10000111010011 |
3 | 100010202220202111 |
4 | 13310102013103 |
5 | 232033134240 |
6 | 21002530151 |
7 | 3151503265 |
oct | 764220723 |
9 | 303686674 |
10 | 131146195 |
11 | 68035094 |
12 | 37b06957 |
13 | 2122a3cb |
14 | 135bbb35 |
15 | b7a81ea |
hex | 7d121d3 |
131146195 has 4 divisors (see below), whose sum is σ = 157375440. Its totient is φ = 104916952.
The previous prime is 131146193. The next prime is 131146201. The reversal of 131146195 is 591641131.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 131146195 - 21 = 131146193 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131146193) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13114615 + ... + 13114624.
It is an arithmetic number, because the mean of its divisors is an integer number (39343860).
Almost surely, 2131146195 is an apocalyptic number.
131146195 is a deficient number, since it is larger than the sum of its proper divisors (26229245).
131146195 is an equidigital number, since it uses as much as digits as its factorization.
131146195 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26229244.
The product of its digits is 3240, while the sum is 31.
The square root of 131146195 is about 11451.9079196438. The cubic root of 131146195 is about 508.0641658982.
The spelling of 131146195 in words is "one hundred thirty-one million, one hundred forty-six thousand, one hundred ninety-five".
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