Search a number
-
+
12118033 = 23526871
BaseRepresentation
bin101110001110…
…100000010001
3211210122211001
4232032200101
511100234113
61111422001
7205000354
oct56164021
924718731
1012118033
116927504
124084901
132683945
14187629b
1510e57dd
hexb8e811

12118033 has 4 divisors (see below), whose sum is σ = 12644928. Its totient is φ = 11591140.

The previous prime is 12118019. The next prime is 12118037. The reversal of 12118033 is 33081121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12118033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12118033.

It is not an unprimeable number, because it can be changed into a prime (12118037) 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, 263413 + ... + 263458.

It is an arithmetic number, because the mean of its divisors is an integer number (3161232).

Almost surely, 212118033 is an apocalyptic number.

It is an amenable number.

12118033 is a deficient number, since it is larger than the sum of its proper divisors (526895).

12118033 is an equidigital number, since it uses as much as digits as its factorization.

12118033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526894.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 12118033 is about 3481.0965226491. The cubic root of 12118033 is about 229.6910344189.

Adding to 12118033 its reverse (33081121), we get a palindrome (45199154).

The spelling of 12118033 in words is "twelve million, one hundred eighteen thousand, thirty-three".

Divisors: 1 23 526871 12118033