Search a number
-
+
112130231111 = 563199165597
BaseRepresentation
bin110100001101101111…
…0111000101101000111
3101201102112210221002122
41220123132320231013
53314120314343421
6123302324000155
711046456144533
oct1503336705507
9351375727078
10112130231111
1143610657298
121989423005b
13a75c940ca2
1455da09cbc3
152db41322ab
hex1a1b7b8b47

112130231111 has 4 divisors (see below), whose sum is σ = 112329397272. Its totient is φ = 111931064952.

The previous prime is 112130231107. The next prime is 112130231117. The reversal of 112130231111 is 111132031211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111132031211 = 671658687033.

It is a cyclic number.

It is not a de Polignac number, because 112130231111 - 22 = 112130231107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112130231111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112130231117) 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, 99582236 + ... + 99583361.

It is an arithmetic number, because the mean of its divisors is an integer number (28082349318).

Almost surely, 2112130231111 is an apocalyptic number.

112130231111 is a deficient number, since it is larger than the sum of its proper divisors (199166161).

112130231111 is an equidigital number, since it uses as much as digits as its factorization.

112130231111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199166160.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 112130231111 its reverse (111132031211), we get a palindrome (223262262322).

The spelling of 112130231111 in words is "one hundred twelve billion, one hundred thirty million, two hundred thirty-one thousand, one hundred eleven".

Divisors: 1 563 199165597 112130231111