Search a number
-
+
112568561 = 716081223
BaseRepresentation
bin1101011010110…
…10100011110001
321211211002000222
412231122203301
5212304143221
615100422425
72534550140
oct655324361
9254732028
10112568561
11585a6476
1231847a15
131a424521
1410d43757
159d389ab
hex6b5a8f1

112568561 has 4 divisors (see below), whose sum is σ = 128649792. Its totient is φ = 96487332.

The previous prime is 112568557. The next prime is 112568563. The reversal of 112568561 is 165865211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 165865211 = 836919819.

It is a cyclic number.

It is not a de Polignac number, because 112568561 - 22 = 112568557 is a prime.

It is a super-2 number, since 2×1125685612 = 25343361851221442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112568563) 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, 8040605 + ... + 8040618.

It is an arithmetic number, because the mean of its divisors is an integer number (32162448).

Almost surely, 2112568561 is an apocalyptic number.

It is an amenable number.

112568561 is a deficient number, since it is larger than the sum of its proper divisors (16081231).

112568561 is an equidigital number, since it uses as much as digits as its factorization.

112568561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16081230.

The product of its digits is 14400, while the sum is 35.

The square root of 112568561 is about 10609.8332220634. The cubic root of 112568561 is about 482.8427389327.

The spelling of 112568561 in words is "one hundred twelve million, five hundred sixty-eight thousand, five hundred sixty-one".

Divisors: 1 7 16081223 112568561