Base | Representation |
---|---|
bin | 1111100010110… |
… | …00100010111101 |
3 | 100002100022010011 |
4 | 13301120202331 |
5 | 231334323414 |
6 | 20534343221 |
7 | 3142156300 |
oct | 761304275 |
9 | 302308104 |
10 | 130386109 |
11 | 67666017 |
12 | 377bab11 |
13 | 21022459 |
14 | 13460b37 |
15 | b6a7dc4 |
hex | 7c588bd |
130386109 has 12 divisors (see below), whose sum is σ = 155375388. Its totient is φ = 109032000.
The previous prime is 130386089. The next prime is 130386119. The reversal of 130386109 is 901683031.
It can be written as a sum of positive squares in 2 ways, for example, as 54434884 + 75951225 = 7378^2 + 8715^2 .
It is not a de Polignac number, because 130386109 - 25 = 130386077 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130386119) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30442 + ... + 34459.
It is an arithmetic number, because the mean of its divisors is an integer number (12947949).
Almost surely, 2130386109 is an apocalyptic number.
It is an amenable number.
130386109 is a deficient number, since it is larger than the sum of its proper divisors (24989279).
130386109 is an equidigital number, since it uses as much as digits as its factorization.
130386109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64956 (or 64949 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 31.
The square root of 130386109 is about 11418.6736970631. The cubic root of 130386109 is about 507.0807318010.
The spelling of 130386109 in words is "one hundred thirty million, three hundred eighty-six thousand, one hundred nine".
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