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112187113 = 611839133
BaseRepresentation
bin1101010111111…
…01011011101001
321211002200210021
412223331123221
5212204441423
615044320441
72531401063
oct653753351
9254080707
10112187113
1158365925
12316a3121
131a31ca0c
1410c84733
159cb095d
hex6afd6e9

112187113 has 4 divisors (see below), whose sum is σ = 114026308. Its totient is φ = 110347920.

The previous prime is 112187107. The next prime is 112187137. The reversal of 112187113 is 311781211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311781211 = 744540173.

It can be written as a sum of positive squares in 2 ways, for example, as 41576704 + 70610409 = 6448^2 + 8403^2 .

It is a cyclic number.

It is not a de Polignac number, because 112187113 - 29 = 112186601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112187183) 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, 919506 + ... + 919627.

It is an arithmetic number, because the mean of its divisors is an integer number (28506577).

Almost surely, 2112187113 is an apocalyptic number.

It is an amenable number.

112187113 is a deficient number, since it is larger than the sum of its proper divisors (1839195).

112187113 is an equidigital number, since it uses as much as digits as its factorization.

112187113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839194.

The product of its digits is 336, while the sum is 25.

The square root of 112187113 is about 10591.8418133958. The cubic root of 112187113 is about 482.2967373856.

The spelling of 112187113 in words is "one hundred twelve million, one hundred eighty-seven thousand, one hundred thirteen".

Divisors: 1 61 1839133 112187113