Base | Representation |
---|---|
bin | 1111100001100… |
… | …11111100000011 |
3 | 100002001200102121 |
4 | 13300303330003 |
5 | 231320024123 |
6 | 20531225111 |
7 | 3140663161 |
oct | 760637403 |
9 | 302050377 |
10 | 130236163 |
11 | 675733a2 |
12 | 37748197 |
13 | 20c9c125 |
14 | 13422231 |
15 | b67875d |
hex | 7c33f03 |
130236163 has 4 divisors (see below), whose sum is σ = 130853608. Its totient is φ = 129618720.
The previous prime is 130236157. The next prime is 130236179. The reversal of 130236163 is 361632031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361632031 = 67 ⋅5397493.
It is a cyclic number.
It is not a de Polignac number, because 130236163 - 213 = 130227971 is a prime.
It is a super-2 number, since 2×1302361632 = 33922916305925138, which contains 22 as substring.
It is a Duffinian number.
It is a zygodrome in base 2.
It is not an unprimeable number, because it can be changed into a prime (130236763) 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, 308406 + ... + 308827.
It is an arithmetic number, because the mean of its divisors is an integer number (32713402).
Almost surely, 2130236163 is an apocalyptic number.
130236163 is a deficient number, since it is larger than the sum of its proper divisors (617445).
130236163 is an equidigital number, since it uses as much as digits as its factorization.
130236163 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 617444.
The product of its (nonzero) digits is 1944, while the sum is 25.
The square root of 130236163 is about 11412.1059844360. The cubic root of 130236163 is about 506.8862737317.
Adding to 130236163 its reverse (361632031), we get a palindrome (491868194).
The spelling of 130236163 in words is "one hundred thirty million, two hundred thirty-six thousand, one hundred sixty-three".
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