Base | Representation |
---|---|
bin | 1111100100101… |
… | …10101111101001 |
3 | 100002211020120212 |
4 | 13302112233221 |
5 | 231421001443 |
6 | 20544030505 |
7 | 3144300116 |
oct | 762265751 |
9 | 302736525 |
10 | 130640873 |
11 | 6781a470 |
12 | 37902435 |
13 | 210b13bc |
14 | 134c990d |
15 | b708618 |
hex | 7c96be9 |
130640873 has 8 divisors (see below), whose sum is σ = 144470496. Its totient is φ = 117136800.
The previous prime is 130640857. The next prime is 130640893. The reversal of 130640873 is 378046031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 130640873 - 24 = 130640857 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (130640843) by changing a digit.
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, 80543 + ... + 82148.
It is an arithmetic number, because the mean of its divisors is an integer number (18058812).
Almost surely, 2130640873 is an apocalyptic number.
It is an amenable number.
130640873 is a deficient number, since it is larger than the sum of its proper divisors (13829623).
130640873 is a wasteful number, since it uses less digits than its factorization.
130640873 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 162775.
The product of its (nonzero) digits is 12096, while the sum is 32.
The square root of 130640873 is about 11429.8238394124. The cubic root of 130640873 is about 507.4107819578.
The spelling of 130640873 in words is "one hundred thirty million, six hundred forty thousand, eight hundred seventy-three".
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