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11121199 = 82313513
BaseRepresentation
bin101010011011…
…001000101111
3202221000102021
4222123020233
510321334244
61034211011
7163346215
oct52331057
922830367
1011121199
116306581
123883a67
1323c4cbb
141696cb5
15e9a284
hexa9b22f

11121199 has 4 divisors (see below), whose sum is σ = 11135536. Its totient is φ = 11106864.

The previous prime is 11121197. The next prime is 11121217. The reversal of 11121199 is 99112111.

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 11121199 - 21 = 11121197 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 (11121197) 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, 5934 + ... + 7579.

It is an arithmetic number, because the mean of its divisors is an integer number (2783884).

Almost surely, 211121199 is an apocalyptic number.

11121199 is a deficient number, since it is larger than the sum of its proper divisors (14337).

11121199 is an equidigital number, since it uses as much as digits as its factorization.

11121199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14336.

The product of its digits is 162, while the sum is 25.

The square root of 11121199 is about 3334.8461733639. The cubic root of 11121199 is about 223.2118279190.

The spelling of 11121199 in words is "eleven million, one hundred twenty-one thousand, one hundred ninety-nine".

Divisors: 1 823 13513 11121199