Base | Representation |
---|---|
bin | 1000101100001111… |
… | …0001000000111101 |
3 | 20000120222201002100 |
4 | 2023003301000331 |
5 | 14234223121341 |
6 | 1023300415313 |
7 | 111546226140 |
oct | 21303610075 |
9 | 6016881070 |
10 | 2333020221 |
11 | a97a24694 |
12 | 5513a7539 |
13 | 2b2466a4c |
14 | 181bc6057 |
15 | d9c453b6 |
hex | 8b0f103d |
2333020221 has 12 divisors (see below), whose sum is σ = 3851335072. Its totient is φ = 1333154376.
The previous prime is 2333020201. The next prime is 2333020223. The reversal of 2333020221 is 1220203332.
It is a happy number.
It is not a de Polignac number, because 2333020221 - 210 = 2333019197 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2333020194 and 2333020203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2333020223) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18515971 + ... + 18516096.
Almost surely, 22333020221 is an apocalyptic number.
2333020221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
2333020221 is a deficient number, since it is larger than the sum of its proper divisors (1518314851).
2333020221 is a wasteful number, since it uses less digits than its factorization.
2333020221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37032080 (or 37032077 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 2333020221 is about 48301.3480246670. The cubic root of 2333020221 is about 1326.2930717931.
Adding to 2333020221 its reverse (1220203332), we get a palindrome (3553223553).
The spelling of 2333020221 in words is "two billion, three hundred thirty-three million, twenty thousand, two hundred twenty-one".
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