Search a number
-
+
12085184189 = 1310165913967
BaseRepresentation
bin10110100000101010…
…10100011010111101
31011012020101222002102
423100111110122331
5144222301343224
65315111234445
7605324241101
oct132025243275
934166358072
1012085184189
115141853831
122413378a25
1311a79bb780
14829073901
154aae9a4ae
hex2d05546bd

12085184189 has 16 divisors (see below), whose sum is σ = 13164560640. Its totient is φ = 11027553600.

The previous prime is 12085184129. The next prime is 12085184197. The reversal of 12085184189 is 98148158021.

12085184189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12085184189 - 232 = 7790216893 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 (12085184129) 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 15 ways as a sum of consecutive naturals, for example, 858284 + ... + 872250.

It is an arithmetic number, because the mean of its divisors is an integer number (822785040).

Almost surely, 212085184189 is an apocalyptic number.

It is an amenable number.

12085184189 is a deficient number, since it is larger than the sum of its proper divisors (1079376451).

12085184189 is a wasteful number, since it uses less digits than its factorization.

12085184189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14740.

The product of its (nonzero) digits is 184320, while the sum is 47.

The spelling of 12085184189 in words is "twelve billion, eighty-five million, one hundred eighty-four thousand, one hundred eighty-nine".

Divisors: 1 13 101 659 1313 8567 13967 66559 181571 865267 1410667 9204253 18338671 119655289 929629553 12085184189