Base | Representation |
---|---|
bin | 111101001001000111… |
… | …0010000100100111100 |
3 | 110112220200022101210212 |
4 | 1322102032100210330 |
5 | 4122401332332312 |
6 | 140152554251552 |
7 | 12325535354150 |
oct | 1722216204474 |
9 | 415820271725 |
10 | 131302230332 |
11 | 50759760049 |
12 | 21544a26bb8 |
13 | c4c6910a20 |
14 | 64d840b060 |
15 | 3637344822 |
hex | 1e9239093c |
131302230332 has 96 divisors (see below), whose sum is σ = 284235248640. Its totient is φ = 51681784320.
The previous prime is 131302230317. The next prime is 131302230359. The reversal of 131302230332 is 233032203131.
It is a junction number, because it is equal to n+sod(n) for n = 131302230298 and 131302230307.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72501707 + ... + 72503517.
It is an arithmetic number, because the mean of its divisors is an integer number (2960783840).
Almost surely, 2131302230332 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131302230332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142117624320).
131302230332 is an abundant number, since it is smaller than the sum of its proper divisors (152933018308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131302230332 is a wasteful number, since it uses less digits than its factorization.
131302230332 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2731 (or 2729 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 23.
Adding to 131302230332 its reverse (233032203131), we get a palindrome (364334433463).
The spelling of 131302230332 in words is "one hundred thirty-one billion, three hundred two million, two hundred thirty thousand, three hundred thirty-two".
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