Base | Representation |
---|---|
bin | 111101001001000111… |
… | …0010011110000000100 |
3 | 110112220200100001122100 |
4 | 1322102032103300010 |
5 | 4122401333241312 |
6 | 140152554432100 |
7 | 12325535440101 |
oct | 1722216236004 |
9 | 415820301570 |
10 | 131302243332 |
11 | 50759769897 |
12 | 21544a32630 |
13 | c4c6916910 |
14 | 64d8411aa8 |
15 | 36373485dc |
hex | 1e92393c04 |
131302243332 has 72 divisors (see below), whose sum is σ = 359230289600. Its totient is φ = 40197643200.
The previous prime is 131302243321. The next prime is 131302243339. The reversal of 131302243332 is 233342203131.
131302243332 is a `hidden beast` number, since 1 + 3 + 1 + 302 + 24 + 3 + 332 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 131302243296 and 131302243305.
It is not an unprimeable number, because it can be changed into a prime (131302243339) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 611794 + ... + 798057.
Almost surely, 2131302243332 is an apocalyptic number.
131302243332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
131302243332 is an abundant number, since it is smaller than the sum of its proper divisors (227928046268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131302243332 is a wasteful number, since it uses less digits than its factorization.
131302243332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1410073 (or 1410068 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 27.
Adding to 131302243332 its reverse (233342203131), we get a palindrome (364644446463).
The spelling of 131302243332 in words is "one hundred thirty-one billion, three hundred two million, two hundred forty-three thousand, three hundred thirty-two".
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