Base | Representation |
---|---|
bin | 1000010001100011… |
… | …0111011011100101 |
3 | 12201210102010111212 |
4 | 2010120313123211 |
5 | 14022101023023 |
6 | 1004222041205 |
7 | 106020063212 |
oct | 20430673345 |
9 | 5653363455 |
10 | 2221111013 |
11 | a3a839640 |
12 | 51ba19205 |
13 | 295213694 |
14 | 170db4b09 |
15 | ceedbe78 |
hex | 846376e5 |
2221111013 has 16 divisors (see below), whose sum is σ = 2569423680. Its totient is φ = 1897555200.
The previous prime is 2221110973. The next prime is 2221111019. The reversal of 2221111013 is 3101111222.
2221111013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 2221111013 - 212 = 2221106917 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 (2221111019) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120623 + ... + 137811.
It is an arithmetic number, because the mean of its divisors is an integer number (160588980).
Almost surely, 22221111013 is an apocalyptic number.
It is an amenable number.
2221111013 is a deficient number, since it is larger than the sum of its proper divisors (348312667).
2221111013 is a wasteful number, since it uses less digits than its factorization.
2221111013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17908.
The product of its (nonzero) digits is 24, while the sum is 14.
The square root of 2221111013 is about 47128.6644516901. The cubic root of 2221111013 is about 1304.7383322730.
Adding to 2221111013 its reverse (3101111222), we get a palindrome (5322222235).
The spelling of 2221111013 in words is "two billion, two hundred twenty-one million, one hundred eleven thousand, thirteen".
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