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18050103 = 322005567
BaseRepresentation
bin100010011011…
…0110000110111
31020222001002100
41010312300313
514110100403
61442513143
7306265131
oct104666067
936861070
1018050103
11a209345
1260657b3
13397ca46
14257c051
1518b82a3
hex1136c37

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".

Divisors: 1 3 9 2005567 6016701 18050103