Base | Representation |
---|---|
bin | 10010101001111001… |
… | …100111001010010100 |
3 | 1220200221120202020212 |
4 | 102221321213022110 |
5 | 312010230240200 |
6 | 13111331144552 |
7 | 1306240631123 |
oct | 225171471224 |
9 | 56627522225 |
10 | 20030321300 |
11 | 8549659950 |
12 | 3a70145158 |
13 | 1b72a62c32 |
14 | d80339aba |
15 | 7c375a035 |
hex | 4a9e67294 |
20030321300 has 72 divisors (see below), whose sum is σ = 47477815392. Its totient is φ = 7274448000.
The previous prime is 20030321243. The next prime is 20030321321. The reversal of 20030321300 is 312303002.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 880874 + ... + 903326.
Almost surely, 220030321300 is an apocalyptic number.
20030321300 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 20030321300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23738907696).
20030321300 is an abundant number, since it is smaller than the sum of its proper divisors (27447494092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20030321300 is a wasteful number, since it uses less digits than its factorization.
20030321300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23289 (or 23282 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 14.
Adding to 20030321300 its reverse (312303002), we get a palindrome (20342624302).
The spelling of 20030321300 in words is "twenty billion, thirty million, three hundred twenty-one thousand, three hundred".
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