Base | Representation |
---|---|
bin | 1111101000100… |
… | …10010100110101 |
3 | 100010202221221120 |
4 | 13310102110311 |
5 | 232033201221 |
6 | 21002534153 |
7 | 3151505643 |
oct | 764222465 |
9 | 303687846 |
10 | 131147061 |
11 | 68035801 |
12 | 37b07359 |
13 | 2122a916 |
14 | 135bc193 |
15 | b7a85c6 |
hex | 7d12535 |
131147061 has 16 divisors (see below), whose sum is σ = 189091584. Its totient is φ = 80536064.
The previous prime is 131147057. The next prime is 131147099. The reversal of 131147061 is 160741131.
It is a cyclic number.
It is not a de Polignac number, because 131147061 - 22 = 131147057 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131147041) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24960 + ... + 29753.
It is an arithmetic number, because the mean of its divisors is an integer number (11818224).
Almost surely, 2131147061 is an apocalyptic number.
It is an amenable number.
131147061 is a deficient number, since it is larger than the sum of its proper divisors (57944523).
131147061 is a wasteful number, since it uses less digits than its factorization.
131147061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54780.
The product of its (nonzero) digits is 504, while the sum is 24.
The square root of 131147061 is about 11451.9457298749. The cubic root of 131147061 is about 508.0652841987.
Adding to 131147061 its reverse (160741131), we get a palindrome (291888192).
The spelling of 131147061 in words is "one hundred thirty-one million, one hundred forty-seven thousand, sixty-one".
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