Base | Representation |
---|---|
bin | 1000010001100010… |
… | …0001111100111001 |
3 | 12201210020122211100 |
4 | 2010120201330321 |
5 | 14022040214113 |
6 | 1004220122013 |
7 | 106016245545 |
oct | 20430417471 |
9 | 5653218740 |
10 | 2221023033 |
11 | a3a789529 |
12 | 51b996309 |
13 | 2951b2618 |
14 | 170d90a25 |
15 | ceec0d73 |
hex | 84621f39 |
2221023033 has 6 divisors (see below), whose sum is σ = 3208144394. Its totient is φ = 1480682016.
The previous prime is 2221022989. The next prime is 2221023043. The reversal of 2221023033 is 3303201222.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 1829101824 + 391921209 = 42768^2 + 19797^2 .
It is not a de Polignac number, because 2221023033 - 217 = 2220891961 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2221022997 and 2221023015.
It is not an unprimeable number, because it can be changed into a prime (2221023043) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123390160 + ... + 123390177.
Almost surely, 22221023033 is an apocalyptic number.
It is an amenable number.
2221023033 is a deficient number, since it is larger than the sum of its proper divisors (987121361).
2221023033 is a wasteful number, since it uses less digits than its factorization.
2221023033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 246780343 (or 246780340 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 2221023033 is about 47127.7310402273. The cubic root of 2221023033 is about 1304.7211047994.
Adding to 2221023033 its reverse (3303201222), we get a palindrome (5524224255).
The spelling of 2221023033 in words is "two billion, two hundred twenty-one million, twenty-three thousand, thirty-three".
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