Base | Representation |
---|---|
bin | 10011000000100110… |
… | …110111110011001100 |
3 | 1221200111102200202211 |
4 | 103000212313303030 |
5 | 313300242102214 |
6 | 13213220400204 |
7 | 1321545025420 |
oct | 230046676314 |
9 | 57614380684 |
10 | 20411284684 |
11 | 872470231a |
12 | 3b57846064 |
13 | 1c0396a75b |
14 | db8b86b80 |
15 | 7e6e0d0c4 |
hex | 4c09b7ccc |
20411284684 has 24 divisors (see below), whose sum is σ = 40826455040. Its totient is φ = 8746860816.
The previous prime is 20411284681. The next prime is 20411284697. The reversal of 20411284684 is 48648211402.
It is not an unprimeable number, because it can be changed into a prime (20411284681) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 333157 + ... + 389635.
Almost surely, 220411284684 is an apocalyptic number.
It is an amenable number.
20411284684 is an abundant number, since it is smaller than the sum of its proper divisors (20415170356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20411284684 is a wasteful number, since it uses less digits than its factorization.
20411284684 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69397 (or 69395 counting only the distinct ones).
The product of its (nonzero) digits is 98304, while the sum is 40.
The spelling of 20411284684 in words is "twenty billion, four hundred eleven million, two hundred eighty-four thousand, six hundred eighty-four".
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