Base | Representation |
---|---|
bin | 1001010000000101001100… |
… | …01111001011010001000100 |
3 | 2200000211210012110121201012 |
4 | 10220002212033023101010 |
5 | 10131303002023010040 |
6 | 111133442553421352 |
7 | 4166534122525235 |
oct | 450024617132104 |
9 | 80024705417635 |
10 | 20343754110020 |
11 | 653381291a840 |
12 | 234690a10a858 |
13 | b4753bb82873 |
14 | 50490039508c |
15 | 2542c38d0865 |
hex | 1280a63cb444 |
20343754110020 has 48 divisors (see below), whose sum is σ = 47067133772736. Its totient is φ = 7324483920000.
The previous prime is 20343754109947. The next prime is 20343754110047. The reversal of 20343754110020 is 2001145734302.
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 15 ways as a sum of consecutive naturals, for example, 457758026 + ... + 457802465.
It is an arithmetic number, because the mean of its divisors is an integer number (980565286932).
Almost surely, 220343754110020 is an apocalyptic number.
20343754110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20343754110020 is an abundant number, since it is smaller than the sum of its proper divisors (26723379662716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20343754110020 is a wasteful number, since it uses less digits than its factorization.
20343754110020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 915560612 (or 915560610 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 32.
Adding to 20343754110020 its reverse (2001145734302), we get a palindrome (22344899844322).
The spelling of 20343754110020 in words is "twenty trillion, three hundred forty-three billion, seven hundred fifty-four million, one hundred ten thousand, twenty".
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