Search a number
-
+
10090911109 = 55718116537
BaseRepresentation
bin10010110010111011…
…10001010110000101
3222001020211101201111
421121131301112011
5131131233123414
64345151125021
7505030220626
oct113135612605
928036741644
1010090911109
114309068964
121b57513771
13c4a79b026
146ba269a4d
153e0d698c4
hex259771585

10090911109 has 4 divisors (see below), whose sum is σ = 10109028204. Its totient is φ = 10072794016.

The previous prime is 10090911073. The next prime is 10090911121. The reversal of 10090911109 is 90111909001.

10090911109 is digitally balanced in base 2, 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 2442534084 + 7648377025 = 49422^2 + 87455^2 .

It is a cyclic number.

It is not a de Polignac number, because 10090911109 - 27 = 10090910981 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 (10090911209) 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, 9057712 + ... + 9058825.

It is an arithmetic number, because the mean of its divisors is an integer number (2527257051).

Almost surely, 210090911109 is an apocalyptic number.

It is an amenable number.

10090911109 is a deficient number, since it is larger than the sum of its proper divisors (18117095).

10090911109 is an equidigital number, since it uses as much as digits as its factorization.

10090911109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18117094.

The product of its (nonzero) digits is 729, while the sum is 31.

The spelling of 10090911109 in words is "ten billion, ninety million, nine hundred eleven thousand, one hundred nine".

Divisors: 1 557 18116537 10090911109