Base | Representation |
---|---|
bin | 1001010101010101010110… |
… | …00010101010001011111001 |
3 | 2200200002121102011110021100 |
4 | 10222222223002222023321 |
5 | 10142232102133410210 |
6 | 111352410435402013 |
7 | 4215553246632465 |
oct | 452525302521371 |
9 | 80602542143240 |
10 | 20524223341305 |
11 | 65a3302013372 |
12 | 2375894a53309 |
13 | b5b56ca98358 |
14 | 50d5406174a5 |
15 | 258d373c55c0 |
hex | 12aaab0aa2f9 |
20524223341305 has 24 divisors (see below), whose sum is σ = 35589918646152. Its totient is φ = 10941760698624.
The previous prime is 20524223341283. The next prime is 20524223341357. The reversal of 20524223341305 is 50314332242502.
20524223341305 is a `hidden beast` number, since 2 + 0 + 5 + 2 + 4 + 2 + 2 + 3 + 341 + 305 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 823861198224 + 19700362143081 = 907668^2 + 4438509^2 .
It is not a de Polignac number, because 20524223341305 - 27 = 20524223341177 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 20524223341305.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93467244 + ... + 93686573.
It is an arithmetic number, because the mean of its divisors is an integer number (1482913276923).
Almost surely, 220524223341305 is an apocalyptic number.
It is an amenable number.
20524223341305 is a deficient number, since it is larger than the sum of its proper divisors (15065695304847).
20524223341305 is a wasteful number, since it uses less digits than its factorization.
20524223341305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 187156265 (or 187156262 counting only the distinct ones).
The product of its (nonzero) digits is 172800, while the sum is 36.
Adding to 20524223341305 its reverse (50314332242502), we get a palindrome (70838555583807).
The spelling of 20524223341305 in words is "twenty trillion, five hundred twenty-four billion, two hundred twenty-three million, three hundred forty-one thousand, three hundred five".
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