Base | Representation |
---|---|
bin | 1000001100110011… |
… | …1111100001010101 |
3 | 12200101222121211022 |
4 | 2003030333201111 |
5 | 14002003034310 |
6 | 1002231450525 |
7 | 105356033351 |
oct | 20314774125 |
9 | 5611877738 |
10 | 2201221205 |
11 | a2a594087 |
12 | 515226a45 |
13 | 29106b471 |
14 | 16c4b8461 |
15 | cd3ada55 |
hex | 8333f855 |
2201221205 has 16 divisors (see below), whose sum is σ = 2714549760. Its totient is φ = 1712313792.
The previous prime is 2201221201. The next prime is 2201221207. The reversal of 2201221205 is 5021221022.
2201221205 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 2201221205 - 22 = 2201221201 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2201221201) 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, 430172 + ... + 435258.
It is an arithmetic number, because the mean of its divisors is an integer number (169659360).
Almost surely, 22201221205 is an apocalyptic number.
It is an amenable number.
2201221205 is a deficient number, since it is larger than the sum of its proper divisors (513328555).
2201221205 is a wasteful number, since it uses less digits than its factorization.
2201221205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7468.
The product of its (nonzero) digits is 160, while the sum is 17.
The square root of 2201221205 is about 46917.1738812133. The cubic root of 2201221205 is about 1300.8320521522.
Adding to 2201221205 its reverse (5021221022), we get a palindrome (7222442227).
The spelling of 2201221205 in words is "two billion, two hundred one million, two hundred twenty-one thousand, two hundred five".
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