Base | Representation |
---|---|
bin | 101101000011… |
… | …101111100011 |
3 | 211020002202111 |
4 | 231003233203 |
5 | 11010434221 |
6 | 1101100151 |
7 | 202253524 |
oct | 55035743 |
9 | 24202674 |
10 | 11811811 |
11 | 6738430 |
12 | 3b57657 |
13 | 25a744b |
14 | 17d684b |
15 | 1084be1 |
hex | b43be3 |
11811811 has 8 divisors (see below), whose sum is σ = 13446144. Its totient is φ = 10270920.
The previous prime is 11811797. The next prime is 11811847.
11811811 is nontrivially palindromic in base 10.
11811811 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 11811811 - 29 = 11811299 is a prime.
11811811 is a strobogrammatic number because it is the same when read upside-down.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (11811851) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23091 + ... + 23596.
It is an arithmetic number, because the mean of its divisors is an integer number (1680768).
Almost surely, 211811811 is an apocalyptic number.
11811811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
11811811 is a deficient number, since it is larger than the sum of its proper divisors (1634333).
11811811 is a wasteful number, since it uses less digits than its factorization.
11811811 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46721.
The product of its digits is 64, while the sum is 22.
The square root of 11811811 is about 3436.8315350043. The cubic root of 11811811 is about 227.7397448473.
It can be divided in two parts, 1181 and 1811, that added together give a palindrome (2992).
The spelling of 11811811 in words is "eleven million, eight hundred eleven thousand, eight hundred eleven".
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