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11110122209 = 31358391039
BaseRepresentation
bin10100101100011011…
…10000001011100001
31001200021122200111202
422112031300023201
5140223142402314
65034240250545
7542214323564
oct122615601341
931607580452
1011110122209
11479141328a
1221a0910a55
1310809a3514
147757784db
154505930de
hex2963702e1

11110122209 has 4 divisors (see below), whose sum is σ = 11468513280. Its totient is φ = 10751731140.

The previous prime is 11110122203. The next prime is 11110122229. The reversal of 11110122209 is 90222101111.

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 11110122209 - 224 = 11093344993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11110122203) 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, 179195489 + ... + 179195550.

It is an arithmetic number, because the mean of its divisors is an integer number (2867128320).

Almost surely, 211110122209 is an apocalyptic number.

It is an amenable number.

11110122209 is a deficient number, since it is larger than the sum of its proper divisors (358391071).

11110122209 is an equidigital number, since it uses as much as digits as its factorization.

11110122209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358391070.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 11110122209 in words is "eleven billion, one hundred ten million, one hundred twenty-two thousand, two hundred nine".

Divisors: 1 31 358391039 11110122209