Base | Representation |
---|---|
bin | 1111100110111… |
… | …01110100011100 |
3 | 100010101000221012 |
4 | 13303131310130 |
5 | 232004310441 |
6 | 20554154352 |
7 | 3146621636 |
oct | 763356434 |
9 | 303330835 |
10 | 130931996 |
11 | 679a9168 |
12 | 37a229b8 |
13 | 21183a70 |
14 | 13563a56 |
15 | b7649eb |
hex | 7cddd1c |
130931996 has 24 divisors (see below), whose sum is σ = 248571120. Its totient is φ = 59985792.
The previous prime is 130931987. The next prime is 130932017. The reversal of 130931996 is 699139031.
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 7 ways as a sum of consecutive naturals, for example, 2066 + ... + 16313.
It is an arithmetic number, because the mean of its divisors is an integer number (10357130).
Almost surely, 2130931996 is an apocalyptic number.
It is an amenable number.
130931996 is a deficient number, since it is larger than the sum of its proper divisors (117639124).
130931996 is a wasteful number, since it uses less digits than its factorization.
130931996 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18533 (or 18531 counting only the distinct ones).
The product of its (nonzero) digits is 39366, while the sum is 41.
The square root of 130931996 is about 11442.5519880838. The cubic root of 130931996 is about 507.7874107892.
The spelling of 130931996 in words is "one hundred thirty million, nine hundred thirty-one thousand, nine hundred ninety-six".
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