Base | Representation |
---|---|
bin | 1000010001100100… |
… | …1101101011010101 |
3 | 12201210120202111200 |
4 | 2010121031223111 |
5 | 14022111432013 |
6 | 1004224023113 |
7 | 106020622653 |
oct | 20431155325 |
9 | 5653522450 |
10 | 2221202133 |
11 | a3a8a1047 |
12 | 51ba61a99 |
13 | 295245cb7 |
14 | 170dd9dd3 |
15 | d0008e73 |
hex | 8464dad5 |
2221202133 has 48 divisors (see below), whose sum is σ = 3529234800. Its totient is φ = 1339914240.
The previous prime is 2221202131. The next prime is 2221202143. The reversal of 2221202133 is 3312021222.
It can be written as a sum of positive squares in 8 ways, for example, as 472540644 + 1748661489 = 21738^2 + 41817^2 .
It is not a de Polignac number, because 2221202133 - 21 = 2221202131 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2221202131) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1192623 + ... + 1194483.
It is an arithmetic number, because the mean of its divisors is an integer number (73525725).
Almost surely, 22221202133 is an apocalyptic number.
It is an amenable number.
2221202133 is a deficient number, since it is larger than the sum of its proper divisors (1308032667).
2221202133 is a wasteful number, since it uses less digits than its factorization.
2221202133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2182 (or 2179 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 2221202133 is about 47129.6311570545. The cubic root of 2221202133 is about 1304.7561741144.
Adding to 2221202133 its reverse (3312021222), we get a palindrome (5533223355).
The spelling of 2221202133 in words is "two billion, two hundred twenty-one million, two hundred two thousand, one hundred thirty-three".
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