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112087109 = 419267511
BaseRepresentation
bin1101010111001…
…01000001000101
321210220121121102
412223211001011
5212143241414
615042225445
72530503401
oct653450105
9253817542
10112087109
11582a7782
1231655285
131a2b6344
1410c5a101
159c90ede
hex6ae5045

112087109 has 4 divisors (see below), whose sum is σ = 112355040. Its totient is φ = 111819180.

The previous prime is 112087093. The next prime is 112087123. The reversal of 112087109 is 901780211.

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.

It is a cyclic number.

It is not a de Polignac number, because 112087109 - 24 = 112087093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112087139) 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, 133337 + ... + 134174.

It is an arithmetic number, because the mean of its divisors is an integer number (28088760).

Almost surely, 2112087109 is an apocalyptic number.

It is an amenable number.

112087109 is a deficient number, since it is larger than the sum of its proper divisors (267931).

112087109 is an equidigital number, since it uses as much as digits as its factorization.

112087109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267930.

The product of its (nonzero) digits is 1008, while the sum is 29.

The square root of 112087109 is about 10587.1199577600. The cubic root of 112087109 is about 482.1533877619.

The spelling of 112087109 in words is "one hundred twelve million, eighty-seven thousand, one hundred nine".

Divisors: 1 419 267511 112087109