Base | Representation |
---|---|
bin | 1111100001101… |
… | …10001100001010 |
3 | 100002002011002012 |
4 | 13300312030022 |
5 | 231320323021 |
6 | 20531335522 |
7 | 3141032105 |
oct | 760661412 |
9 | 302064065 |
10 | 130245386 |
11 | 6757a317 |
12 | 377515a2 |
13 | 20ca339b |
14 | 1342573c |
15 | b67b35b |
hex | 7c3630a |
130245386 has 4 divisors (see below), whose sum is σ = 195368082. Its totient is φ = 65122692.
The previous prime is 130245377. The next prime is 130245403. The reversal of 130245386 is 683542031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 683542031 = 1753 ⋅389927.
It can be written as a sum of positive squares in only one way, i.e., 104550625 + 25694761 = 10225^2 + 5069^2 .
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32561345 + ... + 32561348.
Almost surely, 2130245386 is an apocalyptic number.
130245386 is a deficient number, since it is larger than the sum of its proper divisors (65122696).
130245386 is an equidigital number, since it uses as much as digits as its factorization.
130245386 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65122695.
The product of its (nonzero) digits is 17280, while the sum is 32.
The square root of 130245386 is about 11412.5100657130. The cubic root of 130245386 is about 506.8982389228.
The spelling of 130245386 in words is "one hundred thirty million, two hundred forty-five thousand, three hundred eighty-six".
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