Search a number
-
+
112130111 = 432607677
BaseRepresentation
bin1101010111011…
…11100000111111
321210222210121002
412223233200333
5212201130421
615043200515
72531042642
oct653574077
9253883532
10112130111
1158327015
123167613b
131a2ccaa2
1410c6ba59
159c9db0b
hex6aef83f

112130111 has 4 divisors (see below), whose sum is σ = 114737832. Its totient is φ = 109522392.

The previous prime is 112130107. The next prime is 112130119. The reversal of 112130111 is 111031211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111031211 = 400327737.

It is a cyclic number.

It is not a de Polignac number, because 112130111 - 22 = 112130107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112130092 and 112130101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112130119) 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, 1303796 + ... + 1303881.

It is an arithmetic number, because the mean of its divisors is an integer number (28684458).

Almost surely, 2112130111 is an apocalyptic number.

112130111 is a deficient number, since it is larger than the sum of its proper divisors (2607721).

112130111 is an equidigital number, since it uses as much as digits as its factorization.

112130111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2607720.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 112130111 is about 10589.1506269389. The cubic root of 112130111 is about 482.2150389463.

Adding to 112130111 its reverse (111031211), we get a palindrome (223161322).

The spelling of 112130111 in words is "one hundred twelve million, one hundred thirty thousand, one hundred eleven".

Divisors: 1 43 2607677 112130111