Base | Representation |
---|---|
bin | 1001001111000111100011… |
… | …10111100000100111010100 |
3 | 2122220200101001011001100110 |
4 | 10213203301313200213110 |
5 | 10130232214242023202 |
6 | 111110331225243020 |
7 | 4164253111661100 |
oct | 447436167404724 |
9 | 78820331131313 |
10 | 20310663236052 |
11 | 6520781998412 |
12 | 2340414033470 |
13 | b44397339577 |
14 | 50308164a900 |
15 | 2534d876226c |
hex | 1278f1de09d4 |
20310663236052 has 288 divisors, whose sum is σ = 56164785438720. Its totient is φ = 5695006786560.
The previous prime is 20310663236047. The next prime is 20310663236081. The reversal of 20310663236052 is 25063236601302.
It is a self number, because there is not a number n which added to its sum of digits gives 20310663236052.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6130593948 + ... + 6130597260.
Almost surely, 220310663236052 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20310663236052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28082392719360).
20310663236052 is an abundant number, since it is smaller than the sum of its proper divisors (35854122202668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20310663236052 is a wasteful number, since it uses less digits than its factorization.
20310663236052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4171 (or 4162 counting only the distinct ones).
The product of its (nonzero) digits is 233280, while the sum is 39.
Adding to 20310663236052 its reverse (25063236601302), we get a palindrome (45373899837354).
The spelling of 20310663236052 in words is "twenty trillion, three hundred ten billion, six hundred sixty-three million, two hundred thirty-six thousand, fifty-two".
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