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11130211 = 47236813
BaseRepresentation
bin101010011101…
…010101100011
3202221110210001
4222131111203
510322131321
61034320431
7163414411
oct52352543
922843701
1011130211
116312324
123889117
1323c9131
14169a2b1
15e9cc91
hexa9d563

11130211 has 4 divisors (see below), whose sum is σ = 11367072. Its totient is φ = 10893352.

The previous prime is 11130199. The next prime is 11130221. The reversal of 11130211 is 11203111.

11130211 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11130211 - 25 = 11130179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11130221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118360 + ... + 118453.

It is an arithmetic number, because the mean of its divisors is an integer number (2841768).

Almost surely, 211130211 is an apocalyptic number.

11130211 is a deficient number, since it is larger than the sum of its proper divisors (236861).

11130211 is an equidigital number, since it uses as much as digits as its factorization.

11130211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236860.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 11130211 is about 3336.1970865043. The cubic root of 11130211 is about 223.2721044497.

Adding to 11130211 its reverse (11203111), we get a palindrome (22333322).

Subtracting 11130211 from its reverse (11203111), we obtain a square (72900 = 2702).

The spelling of 11130211 in words is "eleven million, one hundred thirty thousand, two hundred eleven".

Divisors: 1 47 236813 11130211