Base | Representation |
---|---|
bin | 10010111001010111… |
… | …100010111000100101 |
3 | 1221101000212222020200 |
4 | 102321113202320211 |
5 | 313023143420331 |
6 | 13153201221113 |
7 | 1315541451441 |
oct | 227127427045 |
9 | 57330788220 |
10 | 20289826341 |
11 | 8672094924 |
12 | 3b23031799 |
13 | 1bb4752b05 |
14 | da69ab821 |
15 | 7db41a5e6 |
hex | 4b95e2e25 |
20289826341 has 6 divisors (see below), whose sum is σ = 29307526950. Its totient is φ = 13526550888.
The previous prime is 20289826327. The next prime is 20289826379. The reversal of 20289826341 is 14362898202.
20289826341 is a `hidden beast` number, since 2 + 0 + 2 + 8 + 9 + 8 + 2 + 634 + 1 = 666.
It can be written as a sum of positive squares in only one way, i.e., 17977178241 + 2312648100 = 134079^2 + 48090^2 .
It is not a de Polignac number, because 20289826341 - 213 = 20289818149 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20289826321) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1127212566 + ... + 1127212583.
It is an arithmetic number, because the mean of its divisors is an integer number (4884587825).
Almost surely, 220289826341 is an apocalyptic number.
It is an amenable number.
20289826341 is a deficient number, since it is larger than the sum of its proper divisors (9017700609).
20289826341 is a wasteful number, since it uses less digits than its factorization.
20289826341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2254425155 (or 2254425152 counting only the distinct ones).
The product of its (nonzero) digits is 331776, while the sum is 45.
The spelling of 20289826341 in words is "twenty billion, two hundred eighty-nine million, eight hundred twenty-six thousand, three hundred forty-one".
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