Base | Representation |
---|---|
bin | 111011101101000… |
… | …1010000111011000 |
3 | 12011121122111220120 |
4 | 1313122022013120 |
5 | 13100324032010 |
6 | 530442353240 |
7 | 100434105354 |
oct | 16732120730 |
9 | 5147574816 |
10 | 2003345880 |
11 | 938922458 |
12 | 47aabb820 |
13 | 25c079283 |
14 | 1500ca464 |
15 | bad23e70 |
hex | 7768a1d8 |
2003345880 has 128 divisors (see below), whose sum is σ = 6128179200. Its totient is φ = 523832832.
The previous prime is 2003345863. The next prime is 2003345881. The reversal of 2003345880 is 885433002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2003345881) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1346497 + ... + 1347983.
It is an arithmetic number, because the mean of its divisors is an integer number (47876400).
Almost surely, 22003345880 is an apocalyptic number.
2003345880 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 2003345880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3064089600).
2003345880 is an abundant number, since it is smaller than the sum of its proper divisors (4124833320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2003345880 is a wasteful number, since it uses less digits than its factorization.
2003345880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1713 (or 1709 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 33.
The square root of 2003345880 is about 44758.7519933253. The cubic root of 2003345880 is about 1260.6232492349.
Adding to 2003345880 its reverse (885433002), we get a palindrome (2888778882).
The spelling of 2003345880 in words is "two billion, three million, three hundred forty-five thousand, eight hundred eighty".
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