| Base | Representation |
|---|---|
| bin | 1000101100010010… |
| … | …0010000101100100 |
| 3 | 20000121100220210202 |
| 4 | 2023010202011210 |
| 5 | 14234301034340 |
| 6 | 1023305010032 |
| 7 | 111551024141 |
| oct | 21304420544 |
| 9 | 6017326722 |
| 10 | 2333221220 |
| 11 | a98051700 |
| 12 | 551483918 |
| 13 | 2b2507395 |
| 14 | 181c393c8 |
| 15 | d9c84c15 |
| hex | 8b122164 |
2333221220 has 72 divisors (see below), whose sum is σ = 5396701632. Its totient is φ = 846711360.
The previous prime is 2333221181. The next prime is 2333221229. The reversal of 2333221220 is 221223332.
It is a super-2 number, since 2×23332212202 = 10887842522916576800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 2333221192 and 2333221201.
It is not an unprimeable number, because it can be changed into a prime (2333221229) 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 23 ways as a sum of consecutive naturals, for example, 2194409 + ... + 2195471.
Almost surely, 22333221220 is an apocalyptic number.
2333221220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2333221220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2698350816).
2333221220 is an abundant number, since it is smaller than the sum of its proper divisors (3063480412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2333221220 is a wasteful number, since it uses less digits than its factorization.
2333221220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2001 (or 1988 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 20.
The square root of 2333221220 is about 48303.4286567734. The cubic root of 2333221220 is about 1326.3311591792.
Adding to 2333221220 its reverse (221223332), we get a palindrome (2554444552).
The spelling of 2333221220 in words is "two billion, three hundred thirty-three million, two hundred twenty-one thousand, two hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •