Base | Representation |
---|---|
bin | 1000010001100011… |
… | …0111101011001101 |
3 | 12201210102011212220 |
4 | 2010120313223031 |
5 | 14022101041023 |
6 | 1004222045553 |
7 | 106020066141 |
oct | 20430675315 |
9 | 5653364786 |
10 | 2221112013 |
11 | a3a83a36a |
12 | 51ba198b9 |
13 | 295213c83 |
14 | 170db5221 |
15 | ceedc3e3 |
hex | 84637acd |
2221112013 has 8 divisors (see below), whose sum is σ = 2978028000. Its totient is φ = 1472468688.
The previous prime is 2221112009. The next prime is 2221112021. The reversal of 2221112013 is 3102111222.
2221112013 is digitally balanced in base 2 and base 4, because in such bases 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 2221112013 - 22 = 2221112009 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2221111983 and 2221112001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2221112063) 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, 2067538 + ... + 2068611.
It is an arithmetic number, because the mean of its divisors is an integer number (372253500).
Almost surely, 22221112013 is an apocalyptic number.
It is an amenable number.
2221112013 is a deficient number, since it is larger than the sum of its proper divisors (756915987).
2221112013 is a wasteful number, since it uses less digits than its factorization.
2221112013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4136331.
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 2221112013 is about 47128.6750609435. The cubic root of 2221112013 is about 1304.7385280817.
Adding to 2221112013 its reverse (3102111222), we get a palindrome (5323223235).
The spelling of 2221112013 in words is "two billion, two hundred twenty-one million, one hundred twelve thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •