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11121133 = 43258631
BaseRepresentation
bin101010011011…
…000111101101
3202221000022211
4222123013231
510321334013
61034210421
7163346062
oct52330755
922830284
1011121133
116306521
123883a11
1323c4c6a
141696c69
15e9a23d
hexa9b1ed

11121133 has 4 divisors (see below), whose sum is σ = 11379808. Its totient is φ = 10862460.

The previous prime is 11121083. The next prime is 11121139. The reversal of 11121133 is 33112111.

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 a de Polignac number, because none of the positive numbers 2k-11121133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121139) 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, 129273 + ... + 129358.

It is an arithmetic number, because the mean of its divisors is an integer number (2844952).

Almost surely, 211121133 is an apocalyptic number.

It is an amenable number.

11121133 is a deficient number, since it is larger than the sum of its proper divisors (258675).

11121133 is an equidigital number, since it uses as much as digits as its factorization.

11121133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258674.

The product of its digits is 18, while the sum is 13.

The square root of 11121133 is about 3334.8362778403. The cubic root of 11121133 is about 223.2113863596.

Adding to 11121133 its reverse (33112111), we get a palindrome (44233244).

The spelling of 11121133 in words is "eleven million, one hundred twenty-one thousand, one hundred thirty-three".

Divisors: 1 43 258631 11121133