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112742291 is a prime number
BaseRepresentation
bin1101011100001…
…00111110010011
321212010220100102
412232010332103
5212330223131
615104243015
72536202504
oct656047623
9255126312
10112742291
1158704a52
123191046b
131a48561c
1410d8abab
159d701cb
hex6b84f93

112742291 has 2 divisors, whose sum is σ = 112742292. Its totient is φ = 112742290.

The previous prime is 112742269. The next prime is 112742327. The reversal of 112742291 is 192247211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112742291 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112742261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56371145 + 56371146.

It is an arithmetic number, because the mean of its divisors is an integer number (56371146).

Almost surely, 2112742291 is an apocalyptic number.

112742291 is a deficient number, since it is larger than the sum of its proper divisors (1).

112742291 is an equidigital number, since it uses as much as digits as its factorization.

112742291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 29.

The square root of 112742291 is about 10618.0172819599. The cubic root of 112742291 is about 483.0910058604.

The spelling of 112742291 in words is "one hundred twelve million, seven hundred forty-two thousand, two hundred ninety-one".