Search a number
-
+
12189083 = 18167343
BaseRepresentation
bin101110011111…
…110110011011
3211221021021112
4232133312123
511110022313
61113130535
7205414454
oct56376633
924837245
1012189083
116975925
1240b9a4b
1326aa09a
14189412b
15110b8a8
hexb9fd9b

12189083 has 4 divisors (see below), whose sum is σ = 12256608. Its totient is φ = 12121560.

The previous prime is 12189071. The next prime is 12189097. The reversal of 12189083 is 38098121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12189083 - 212 = 12184987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12189043) 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 3 ways as a sum of consecutive naturals, for example, 33491 + ... + 33852.

It is an arithmetic number, because the mean of its divisors is an integer number (3064152).

Almost surely, 212189083 is an apocalyptic number.

12189083 is a deficient number, since it is larger than the sum of its proper divisors (67525).

12189083 is an equidigital number, since it uses as much as digits as its factorization.

12189083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67524.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 12189083 is about 3491.2867255498. The cubic root of 12189083 is about 230.1390652382.

It can be divided in two parts, 1218 and 9083, that added together give a palindrome (10301).

The spelling of 12189083 in words is "twelve million, one hundred eighty-nine thousand, eighty-three".

Divisors: 1 181 67343 12189083