Base | Representation |
---|---|
bin | 1111100011101… |
… | …01111001001000 |
3 | 100002120102000010 |
4 | 13301311321020 |
5 | 231402200222 |
6 | 20541111520 |
7 | 3143166606 |
oct | 761657110 |
9 | 302512003 |
10 | 130506312 |
11 | 67738362 |
12 | 378585a0 |
13 | 21065091 |
14 | 13492876 |
15 | b6cd80c |
hex | 7c75e48 |
130506312 has 32 divisors (see below), whose sum is σ = 326695680. Its totient is φ = 43444800.
The previous prime is 130506287. The next prime is 130506317. The reversal of 130506312 is 213605031.
It is not an unprimeable number, because it can be changed into a prime (130506317) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17562 + ... + 23862.
It is an arithmetic number, because the mean of its divisors is an integer number (10209240).
Almost surely, 2130506312 is an apocalyptic number.
130506312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
130506312 is an abundant number, since it is smaller than the sum of its proper divisors (196189368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130506312 is a wasteful number, since it uses less digits than its factorization.
130506312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7173 (or 7169 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 21.
The square root of 130506312 is about 11423.9359241901. The cubic root of 130506312 is about 507.2365099089.
The spelling of 130506312 in words is "one hundred thirty million, five hundred six thousand, three hundred twelve".
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