Search a number
-
+
7108083089 = 7699243281
BaseRepresentation
bin1101001111010110…
…01011110110010001
3200100101010000220122
412213223023312101
5104024132124324
63133154520025
7341100465212
oct64753136621
920311100818
107108083089
113018367038
121464596015
13893819933
144b6053409
152b9068a5e
hex1a7acbd91

7108083089 has 4 divisors (see below), whose sum is σ = 7117327140. Its totient is φ = 7098839040.

The previous prime is 7108083083. The next prime is 7108083091. The reversal of 7108083089 is 9803808017.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9803808017 = 26173746201.

It can be written as a sum of positive squares in 2 ways, for example, as 5701458064 + 1406625025 = 75508^2 + 37505^2 .

It is a cyclic number.

It is not a de Polignac number, because 7108083089 - 28 = 7108082833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7108083083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4620872 + ... + 4622409.

It is an arithmetic number, because the mean of its divisors is an integer number (1779331785).

Almost surely, 27108083089 is an apocalyptic number.

It is an amenable number.

7108083089 is a deficient number, since it is larger than the sum of its proper divisors (9244051).

7108083089 is an equidigital number, since it uses as much as digits as its factorization.

7108083089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9244050.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 7108083089 is about 84309.4483969620. The cubic root of 7108083089 is about 1922.7264406013.

The spelling of 7108083089 in words is "seven billion, one hundred eight million, eighty-three thousand, eighty-nine".

Divisors: 1 769 9243281 7108083089