Base | Representation |
---|---|
bin | 100010011011… |
… | …0110000110111 |
3 | 1020222001002100 |
4 | 1010312300313 |
5 | 14110100403 |
6 | 1442513143 |
7 | 306265131 |
oct | 104666067 |
9 | 36861070 |
10 | 18050103 |
11 | a209345 |
12 | 60657b3 |
13 | 397ca46 |
14 | 257c051 |
15 | 18b82a3 |
hex | 1136c37 |
18050103 has 6 divisors (see below), whose sum is σ = 26072384. Its totient is φ = 12033396.
The previous prime is 18050099. The next prime is 18050111. The reversal of 18050103 is 30105081.
It is a happy number.
It is not a de Polignac number, because 18050103 - 22 = 18050099 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18050113) 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, 1002775 + ... + 1002792.
Almost surely, 218050103 is an apocalyptic number.
18050103 is a deficient number, since it is larger than the sum of its proper divisors (8022281).
18050103 is a wasteful number, since it uses less digits than its factorization.
18050103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2005573 (or 2005570 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
The square root of 18050103 is about 4248.5412790745. The cubic root of 18050103 is about 262.3170752785.
Adding to 18050103 its reverse (30105081), we get a palindrome (48155184).
The spelling of 18050103 in words is "eighteen million, fifty thousand, one hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •