Base | Representation |
---|---|
bin | 1000010001100001… |
… | …1111100000011011 |
3 | 12201210020011002110 |
4 | 2010120133200123 |
5 | 14022034404034 |
6 | 1004220003403 |
7 | 106016204421 |
oct | 20430374033 |
9 | 5653204073 |
10 | 2221013019 |
11 | a3a781a55 |
12 | 51b990563 |
13 | 2951aabb4 |
14 | 170d8b111 |
15 | ceebcde9 |
hex | 8461f81b |
2221013019 has 16 divisors (see below), whose sum is σ = 3001243392. Its totient is φ = 1460779488.
The previous prime is 2221012987. The next prime is 2221013021. The reversal of 2221013019 is 9103101222.
It is not a de Polignac number, because 2221013019 - 25 = 2221012987 is a prime.
It is a super-2 number, since 2×22210130192 = 9865797661134988722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2221012986 and 2221013004.
It is not an unprimeable number, because it can be changed into a prime (2221013089) 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, 182602 + ... + 194384.
It is an arithmetic number, because the mean of its divisors is an integer number (187577712).
Almost surely, 22221013019 is an apocalyptic number.
2221013019 is a deficient number, since it is larger than the sum of its proper divisors (780230373).
2221013019 is a wasteful number, since it uses less digits than its factorization.
2221013019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12626.
The product of its (nonzero) digits is 216, while the sum is 21.
The square root of 2221013019 is about 47127.6247969278. The cubic root of 2221013019 is about 1304.7191439167.
The spelling of 2221013019 in words is "two billion, two hundred twenty-one million, thirteen thousand, nineteen".
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