Base | Representation |
---|---|
bin | 1111100100101… |
… | …11111010011100 |
3 | 100002211111011011 |
4 | 13302113322130 |
5 | 231421130120 |
6 | 20544105004 |
7 | 3144320065 |
oct | 762277234 |
9 | 302744134 |
10 | 130645660 |
11 | 67823022 |
12 | 37905164 |
13 | 210b3632 |
14 | 134cb56c |
15 | b709c5a |
hex | 7c97e9c |
130645660 has 12 divisors (see below), whose sum is σ = 274355928. Its totient is φ = 52258256.
The previous prime is 130645657. The next prime is 130645679. The reversal of 130645660 is 66546031.
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 3 ways as a sum of consecutive naturals, for example, 3266122 + ... + 3266161.
It is an arithmetic number, because the mean of its divisors is an integer number (22862994).
Almost surely, 2130645660 is an apocalyptic number.
130645660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130645660 is an abundant number, since it is smaller than the sum of its proper divisors (143710268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130645660 is a wasteful number, since it uses less digits than its factorization.
130645660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6532292 (or 6532290 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 31.
The square root of 130645660 is about 11430.0332457959. The cubic root of 130645660 is about 507.4169794713.
The spelling of 130645660 in words is "one hundred thirty million, six hundred forty-five thousand, six hundred sixty".
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