Base | Representation |
---|---|
bin | 1000010001011110… |
… | …1111011101101011 |
3 | 12201202212011011011 |
4 | 2010113233131223 |
5 | 14022012104420 |
6 | 1004211444351 |
7 | 106014424621 |
oct | 20427573553 |
9 | 5652764134 |
10 | 2220816235 |
11 | a3a658120 |
12 | 51b8b66b7 |
13 | 29513c461 |
14 | 170d39511 |
15 | cee7e95a |
hex | 845ef76b |
2220816235 has 32 divisors (see below), whose sum is σ = 3064677120. Its totient is φ = 1527926400.
The previous prime is 2220816217. The next prime is 2220816239. The reversal of 2220816235 is 5326180222.
It is not a de Polignac number, because 2220816235 - 219 = 2220291947 is a prime.
It is a super-3 number, since 3×22208162353 (a number of 29 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2220816197 and 2220816206.
It is not an unprimeable number, because it can be changed into a prime (2220816239) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1107744 + ... + 1109746.
It is an arithmetic number, because the mean of its divisors is an integer number (95771160).
Almost surely, 22220816235 is an apocalyptic number.
2220816235 is a deficient number, since it is larger than the sum of its proper divisors (843860885).
2220816235 is a wasteful number, since it uses less digits than its factorization.
2220816235 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3099.
The product of its (nonzero) digits is 11520, while the sum is 31.
The square root of 2220816235 is about 47125.5369730680. The cubic root of 2220816235 is about 1304.6806096334.
Adding to 2220816235 its reverse (5326180222), we get a palindrome (7546996457).
The spelling of 2220816235 in words is "two billion, two hundred twenty million, eight hundred sixteen thousand, two hundred thirty-five".
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