| Base | Representation |
|---|---|
| bin | 1110001010110100110… |
| … | …1101000100100111100 |
| 3 | 212021022122120122201220 |
| 4 | 3202231031220210330 |
| 5 | 12442013043413040 |
| 6 | 303454425233340 |
| 7 | 23405164366110 |
| oct | 3425515504474 |
| 9 | 767278518656 |
| 10 | 243424201020 |
| 11 | 94265685140 |
| 12 | 3b216332850 |
| 13 | 19c5491bb90 |
| 14 | bad3359740 |
| 15 | 64ea8942d0 |
| hex | 38ad36893c |
243424201020 has 384 divisors, whose sum is σ = 939880876032. Its totient is φ = 45428428800.
The previous prime is 243424201003. The next prime is 243424201021. The reversal of 243424201020 is 20102424342.
243424201020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (243424201021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2167450 + ... + 2276990.
It is an arithmetic number, because the mean of its divisors is an integer number (2447606448).
Almost surely, 2243424201020 is an apocalyptic number.
243424201020 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 243424201020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469940438016).
243424201020 is an abundant number, since it is smaller than the sum of its proper divisors (696456675012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
243424201020 is a wasteful number, since it uses less digits than its factorization.
243424201020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109621 (or 109619 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 24.
Adding to 243424201020 its reverse (20102424342), we get a palindrome (263526625362).
It can be divided in two parts, 243424 and 201020, that added together give a palindrome (444444).
The spelling of 243424201020 in words is "two hundred forty-three billion, four hundred twenty-four million, two hundred one thousand, twenty".
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