Base | Representation |
---|---|
bin | 1111101001110… |
… | …10010001000111 |
3 | 100011002021100220 |
4 | 13310322101013 |
5 | 232103420123 |
6 | 21010235423 |
7 | 3153056631 |
oct | 764722107 |
9 | 304067326 |
10 | 131310663 |
11 | 68137710 |
12 | 37b85b73 |
13 | 21287223 |
14 | 13621a51 |
15 | b7dbce3 |
hex | 7d3a447 |
131310663 has 16 divisors (see below), whose sum is σ = 191808000. Its totient is φ = 79244480.
The previous prime is 131310643. The next prime is 131310667. The reversal of 131310663 is 366013131.
It is a cyclic number.
It is not a de Polignac number, because 131310663 - 213 = 131302471 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131310667) 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, 438 + ... + 16211.
It is an arithmetic number, because the mean of its divisors is an integer number (11988000).
Almost surely, 2131310663 is an apocalyptic number.
131310663 is a deficient number, since it is larger than the sum of its proper divisors (60497337).
131310663 is a wasteful number, since it uses less digits than its factorization.
131310663 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16902.
The product of its (nonzero) digits is 972, while the sum is 24.
The square root of 131310663 is about 11459.0864819147. The cubic root of 131310663 is about 508.2764617793.
Adding to 131310663 its reverse (366013131), we get a palindrome (497323794).
The spelling of 131310663 in words is "one hundred thirty-one million, three hundred ten thousand, six hundred sixty-three".
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