Search a number
-
+
112142111 = 439467547
BaseRepresentation
bin1101010111100…
…10011100011111
321211000102001112
412223302130133
5212202021421
615043332235
72531122634
oct653623437
9254012045
10112142111
1158335034
123168107b
131a3053a3
1410c7218b
159ca245b
hex6af271f

112142111 has 8 divisors (see below), whose sum is σ = 112844160. Its totient is φ = 111442968.

The previous prime is 112142083. The next prime is 112142119. The reversal of 112142111 is 111241211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112142111 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 (112142119) 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 7 ways as a sum of consecutive naturals, for example, 204740 + ... + 205286.

It is an arithmetic number, because the mean of its divisors is an integer number (14105520).

Almost surely, 2112142111 is an apocalyptic number.

112142111 is a deficient number, since it is larger than the sum of its proper divisors (702049).

112142111 is an equidigital number, since it uses as much as digits as its factorization.

112142111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453.

The product of its digits is 16, while the sum is 14.

The square root of 112142111 is about 10589.7172294637. The cubic root of 112142111 is about 482.2322403147.

Adding to 112142111 its reverse (111241211), we get a palindrome (223383322).

The spelling of 112142111 in words is "one hundred twelve million, one hundred forty-two thousand, one hundred eleven".

Divisors: 1 439 467 547 205013 240133 255449 112142111