Base | Representation |
---|---|
bin | 101010101100… |
… | …010000001111 |
3 | 210001120121000 |
4 | 222230100033 |
5 | 10331110221 |
6 | 1035511343 |
7 | 164060505 |
oct | 52542017 |
9 | 23046530 |
10 | 11191311 |
11 | 635421a |
12 | 38b8553 |
13 | 241aba1 |
14 | 16b4675 |
15 | eb0e26 |
hex | aac40f |
11191311 has 16 divisors (see below), whose sum is σ = 16934400. Its totient is φ = 7301304.
The previous prime is 11191291. The next prime is 11191331. The reversal of 11191311 is 11319111.
It is an interprime number because it is at equal distance from previous prime (11191291) and next prime (11191331).
It is not a de Polignac number, because 11191311 - 27 = 11191183 is a prime.
It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11191331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3141 + ... + 5678.
It is an arithmetic number, because the mean of its divisors is an integer number (1058400).
Almost surely, 211191311 is an apocalyptic number.
11191311 is a deficient number, since it is larger than the sum of its proper divisors (5743089).
11191311 is an equidigital number, since it uses as much as digits as its factorization.
11191311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8875 (or 8869 counting only the distinct ones).
The product of its digits is 27, while the sum is 18.
The square root of 11191311 is about 3345.3416865845. The cubic root of 11191311 is about 223.6799145890.
The spelling of 11191311 in words is "eleven million, one hundred ninety-one thousand, three hundred eleven".
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