Base | Representation |
---|---|
bin | 111001011011… |
… | …0110111101011 |
3 | 2002122201000012 |
4 | 1302312313223 |
5 | 30201443123 |
6 | 2553202135 |
7 | 513631550 |
oct | 162666753 |
9 | 62581005 |
10 | 30109163 |
11 | 15aa5507 |
12 | a10034b |
13 | 6312896 |
14 | 3ddaa27 |
15 | 299b378 |
hex | 1cb6deb |
30109163 has 16 divisors (see below), whose sum is σ = 36046080. Its totient is φ = 24603936.
The previous prime is 30109147. The next prime is 30109201. The reversal of 30109163 is 36190103.
It is not a de Polignac number, because 30109163 - 24 = 30109147 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30109133) 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 15 ways as a sum of consecutive naturals, for example, 15956 + ... + 17742.
It is an arithmetic number, because the mean of its divisors is an integer number (2252880).
Almost surely, 230109163 is an apocalyptic number.
30109163 is a deficient number, since it is larger than the sum of its proper divisors (5936917).
30109163 is a wasteful number, since it uses less digits than its factorization.
30109163 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1906.
The product of its (nonzero) digits is 486, while the sum is 23.
The square root of 30109163 is about 5487.1816991968. The cubic root of 30109163 is about 311.0996775229.
Adding to 30109163 its reverse (36190103), we get a palindrome (66299266).
The spelling of 30109163 in words is "thirty million, one hundred nine thousand, one hundred sixty-three".
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