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112785133 = 711588523
BaseRepresentation
bin1101011100011…
…11011011101101
321212020002010011
412232033123231
5212333111013
615105213221
72536441426
oct656173355
9255202104
10112785133
115873415a
1231931211
131a49bc86
1410d9c64d
159d7cc3d
hex6b8f6ed

112785133 has 4 divisors (see below), whose sum is σ = 114373728. Its totient is φ = 111196540.

The previous prime is 112785119. The next prime is 112785151. The reversal of 112785133 is 331587211.

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: 331587211 = 893725699.

It is a cyclic number.

It is not a de Polignac number, because 112785133 - 221 = 110687981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112785095 and 112785104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112785833) 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, 794191 + ... + 794332.

It is an arithmetic number, because the mean of its divisors is an integer number (28593432).

Almost surely, 2112785133 is an apocalyptic number.

It is an amenable number.

112785133 is a deficient number, since it is larger than the sum of its proper divisors (1588595).

112785133 is an equidigital number, since it uses as much as digits as its factorization.

112785133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588594.

The product of its digits is 5040, while the sum is 31.

The square root of 112785133 is about 10620.0345103017. The cubic root of 112785133 is about 483.1521895378.

The spelling of 112785133 in words is "one hundred twelve million, seven hundred eighty-five thousand, one hundred thirty-three".

Divisors: 1 71 1588523 112785133