Search a number
-
+
8043922189 = 10601758789
BaseRepresentation
bin1110111110111010…
…01000001100001101
3202202121001120211001
413133131020030031
5112433221002224
63410105100301
7403223132122
oct73735101415
922677046731
108043922189
113458647886
121685a87691
139b2680c94
1456445c749
153212c4544
hex1df74830d

8043922189 has 4 divisors (see below), whose sum is σ = 8044691580. Its totient is φ = 8043152800.

The previous prime is 8043922171. The next prime is 8043922199. The reversal of 8043922189 is 9812293408.

8043922189 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5249002500 + 2794919689 = 72450^2 + 52867^2 .

It is a cyclic number.

It is not a de Polignac number, because 8043922189 - 25 = 8043922157 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 (8043922109) 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, 368794 + ... + 389995.

It is an arithmetic number, because the mean of its divisors is an integer number (2011172895).

Almost surely, 28043922189 is an apocalyptic number.

It is an amenable number.

8043922189 is a deficient number, since it is larger than the sum of its proper divisors (769391).

8043922189 is a wasteful number, since it uses less digits than its factorization.

8043922189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769390.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 8043922189 is about 89687.9155126263. The cubic root of 8043922189 is about 2003.6535043059.

The spelling of 8043922189 in words is "eight billion, forty-three million, nine hundred twenty-two thousand, one hundred eighty-nine".

Divisors: 1 10601 758789 8043922189