Base | Representation |
---|---|
bin | 1111100010000… |
… | …11101110001001 |
3 | 100002011222002220 |
4 | 13301003232021 |
5 | 231324111214 |
6 | 20532444253 |
7 | 3141352512 |
oct | 761035611 |
9 | 302158086 |
10 | 130300809 |
11 | 67607a21 |
12 | 37779689 |
13 | 20cc2692 |
14 | 1343ba09 |
15 | b68c9a9 |
hex | 7c43b89 |
130300809 has 4 divisors (see below), whose sum is σ = 173734416. Its totient is φ = 86867204.
The previous prime is 130300789. The next prime is 130300811. The reversal of 130300809 is 908003031.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 130300809 - 212 = 130296713 is a prime.
It is not an unprimeable number, because it can be changed into a prime (130300609) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21716799 + ... + 21716804.
It is an arithmetic number, because the mean of its divisors is an integer number (43433604).
Almost surely, 2130300809 is an apocalyptic number.
It is an amenable number.
130300809 is a deficient number, since it is larger than the sum of its proper divisors (43433607).
130300809 is an equidigital number, since it uses as much as digits as its factorization.
130300809 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43433606.
The product of its (nonzero) digits is 648, while the sum is 24.
The square root of 130300809 is about 11414.9379761784. The cubic root of 130300809 is about 506.9701284487.
The spelling of 130300809 in words is "one hundred thirty million, three hundred thousand, eight hundred nine".
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