Base | Representation |
---|---|
bin | 1000010001100001… |
… | …1110110010000111 |
3 | 12201210020000000200 |
4 | 2010120132302013 |
5 | 14022034310210 |
6 | 1004215541543 |
7 | 106016162655 |
oct | 20430366207 |
9 | 5653200020 |
10 | 2221010055 |
11 | a3a77a800 |
12 | 51b98a8b3 |
13 | 2951a9744 |
14 | 170d89dd5 |
15 | ceebc0c0 |
hex | 8461ec87 |
2221010055 has 36 divisors (see below), whose sum is σ = 4231554600. Its totient is φ = 1076850720.
The previous prime is 2221010047. The next prime is 2221010059. The reversal of 2221010055 is 5500101222.
It is not a de Polignac number, because 2221010055 - 23 = 2221010047 is a prime.
It is a super-2 number, since 2×22210100552 = 9865771328822206050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2221010059) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 198505 + ... + 209394.
Almost surely, 22221010055 is an apocalyptic number.
2221010055 is a deficient number, since it is larger than the sum of its proper divisors (2010544545).
2221010055 is a wasteful number, since it uses less digits than its factorization.
2221010055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 407932 (or 407918 counting only the distinct ones).
The product of its (nonzero) digits is 200, while the sum is 18.
The square root of 2221010055 is about 47127.5933503929. The cubic root of 2221010055 is about 1304.7185635225.
Adding to 2221010055 its reverse (5500101222), we get a palindrome (7721111277).
The spelling of 2221010055 in words is "two billion, two hundred twenty-one million, ten thousand, fifty-five".
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