Base | Representation |
---|---|
bin | 10011001011000000… |
… | …110010000010100000 |
3 | 1222010122220110222120 |
4 | 103023000302002200 |
5 | 314124434131432 |
6 | 13242414104240 |
7 | 1326064554312 |
oct | 231300620240 |
9 | 58118813876 |
10 | 20585848992 |
11 | 88041a2045 |
12 | 3ba61ab080 |
13 | 1c30b8a447 |
14 | dd40277b2 |
15 | 8073e0c2c |
hex | 4cb0320a0 |
20585848992 has 24 divisors (see below), whose sum is σ = 54037853856. Its totient is φ = 6861949632.
The previous prime is 20585848937. The next prime is 20585849017. The reversal of 20585848992 is 29984858502.
It is a tau number, because it is divible by the number of its divisors (24).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107217868 + ... + 107218059.
It is an arithmetic number, because the mean of its divisors is an integer number (2251577244).
Almost surely, 220585848992 is an apocalyptic number.
It is an amenable number.
20585848992 is an abundant number, since it is smaller than the sum of its proper divisors (33452004864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20585848992 is a wasteful number, since it uses less digits than its factorization.
20585848992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 214435940 (or 214435932 counting only the distinct ones).
The product of its (nonzero) digits is 16588800, while the sum is 60.
The spelling of 20585848992 in words is "twenty billion, five hundred eighty-five million, eight hundred forty-eight thousand, nine hundred ninety-two".
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