Base | Representation |
---|---|
bin | 1000010001011100… |
… | …1100010001000001 |
3 | 12201202120211101112 |
4 | 2010113030101001 |
5 | 14021443001230 |
6 | 1004204413105 |
7 | 106013254403 |
oct | 20427142101 |
9 | 5652524345 |
10 | 2220672065 |
11 | a3a569877 |
12 | 51b847195 |
13 | 2950bb951 |
14 | 170cdcb73 |
15 | cee51d95 |
hex | 845cc441 |
2220672065 has 16 divisors (see below), whose sum is σ = 2686981248. Its totient is φ = 1761803136.
The previous prime is 2220672061. The next prime is 2220672079. The reversal of 2220672065 is 5602760222.
It is a cyclic number.
It is not a de Polignac number, because 2220672065 - 22 = 2220672061 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2220672061) by changing a digit.
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 in 15 ways as a sum of consecutive naturals, for example, 407237 + ... + 412653.
It is an arithmetic number, because the mean of its divisors is an integer number (167936328).
Almost surely, 22220672065 is an apocalyptic number.
It is an amenable number.
2220672065 is a deficient number, since it is larger than the sum of its proper divisors (466309183).
2220672065 is a wasteful number, since it uses less digits than its factorization.
2220672065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6088.
The product of its (nonzero) digits is 20160, while the sum is 32.
The square root of 2220672065 is about 47124.0073104994. The cubic root of 2220672065 is about 1304.6523767895.
The spelling of 2220672065 in words is "two billion, two hundred twenty million, six hundred seventy-two thousand, sixty-five".
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