Base | Representation |
---|---|
bin | 10011010000110000… |
… | …101010000010010000 |
3 | 1222101101100221120222 |
4 | 103100300222002100 |
5 | 314324131111300 |
6 | 13300141052212 |
7 | 1331345344403 |
oct | 232060520220 |
9 | 58341327528 |
10 | 20682285200 |
11 | 8853679a95 |
12 | 4012557068 |
13 | 1c47b53aa5 |
14 | 1002b6bd3a |
15 | 810ade785 |
hex | 4d0c2a090 |
20682285200 has 60 divisors (see below), whose sum is σ = 49737043188. Its totient is φ = 8264947200.
The previous prime is 20682285157. The next prime is 20682285259. The reversal of 20682285200 is 258228602.
It can be written as a sum of positive squares in 6 ways, for example, as 88887184 + 20593398016 = 9428^2 + 143504^2 .
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 11 ways as a sum of consecutive naturals, for example, 400034 + ... + 448766.
Almost surely, 220682285200 is an apocalyptic number.
20682285200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20682285200 is an abundant number, since it is smaller than the sum of its proper divisors (29054757988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20682285200 is a wasteful number, since it uses less digits than its factorization.
20682285200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49812 (or 49801 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 35.
The spelling of 20682285200 in words is "twenty billion, six hundred eighty-two million, two hundred eighty-five thousand, two hundred".
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