Base | Representation |
---|---|
bin | 1000010001100011… |
… | …1100000100101000 |
3 | 12201210110002120222 |
4 | 2010120330010220 |
5 | 14022102130044 |
6 | 1004222305212 |
7 | 106020202511 |
oct | 20430740450 |
9 | 5653402528 |
10 | 2221130024 |
11 | a3a851953 |
12 | 51ba28208 |
13 | 29521c229 |
14 | 170dbba08 |
15 | ceee28ee |
hex | 8463c128 |
2221130024 has 8 divisors (see below), whose sum is σ = 4164618810. Its totient is φ = 1110565008.
The previous prime is 2221130011. The next prime is 2221130057. The reversal of 2221130024 is 4200311222.
It can be written as a sum of positive squares in only one way, i.e., 1576884100 + 644245924 = 39710^2 + 25382^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a junction number, because it is equal to n+sod(n) for n = 2221129984 and 2221130011.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138820619 + ... + 138820634.
Almost surely, 22221130024 is an apocalyptic number.
It is an amenable number.
2221130024 is a deficient number, since it is larger than the sum of its proper divisors (1943488786).
2221130024 is a wasteful number, since it uses less digits than its factorization.
2221130024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 277641259 (or 277641255 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 2221130024 is about 47128.8661437977. The cubic root of 2221130024 is about 1304.7420547809.
Adding to 2221130024 its reverse (4200311222), we get a palindrome (6421441246).
The spelling of 2221130024 in words is "two billion, two hundred twenty-one million, one hundred thirty thousand, twenty-four".
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