Base | Representation |
---|---|
bin | 100010011100… |
… | …1111010101001 |
3 | 1020222200210122 |
4 | 1010321322221 |
5 | 14111004032 |
6 | 1443053025 |
7 | 306350600 |
oct | 104717251 |
9 | 36880718 |
10 | 18063017 |
11 | a218015 |
12 | 6071175 |
13 | 398589b |
14 | 2582a37 |
15 | 18bc012 |
hex | 1139ea9 |
18063017 has 6 divisors (see below), whose sum is σ = 21012138. Its totient is φ = 15482544.
The previous prime is 18063013. The next prime is 18063029. The reversal of 18063017 is 71036081.
It can be written as a sum of positive squares in only one way, i.e., 10686361 + 7376656 = 3269^2 + 2716^2 .
It is not a de Polignac number, because 18063017 - 22 = 18063013 is a prime.
It is not an unprimeable number, because it can be changed into a prime (18063011) by changing a digit.
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 in 5 ways as a sum of consecutive naturals, for example, 184268 + ... + 184365.
It is an arithmetic number, because the mean of its divisors is an integer number (3502023).
Almost surely, 218063017 is an apocalyptic number.
It is an amenable number.
18063017 is a deficient number, since it is larger than the sum of its proper divisors (2949121).
18063017 is an equidigital number, since it uses as much as digits as its factorization.
18063017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 368647 (or 368640 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 26.
The square root of 18063017 is about 4250.0608230942. The cubic root of 18063017 is about 262.3796188764.
Adding to 18063017 its reverse (71036081), we get a palindrome (89099098).
The spelling of 18063017 in words is "eighteen million, sixty-three thousand, seventeen".
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