Base | Representation |
---|---|
bin | 10010101011000110… |
… | …011000001110010000 |
3 | 1220202100110011001111 |
4 | 102223012120032100 |
5 | 312030403221300 |
6 | 13113330343104 |
7 | 1306603654312 |
oct | 225306301620 |
9 | 56670404044 |
10 | 20050445200 |
11 | 8559a54275 |
12 | 3a76a2aa94 |
13 | 1b76c8a876 |
14 | d82c977b2 |
15 | 7c53d29ba |
hex | 4ab198390 |
20050445200 has 30 divisors (see below), whose sum is σ = 48171195554. Its totient is φ = 8020177920.
The previous prime is 20050445197. The next prime is 20050445213. The reversal of 20050445200 is 254405002.
It can be written as a sum of positive squares in 3 ways, for example, as 4621824256 + 15428620944 = 67984^2 + 124212^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25062657 + ... + 25063456.
Almost surely, 220050445200 is an apocalyptic number.
20050445200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20050445200 is an abundant number, since it is smaller than the sum of its proper divisors (28120750354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20050445200 is a wasteful number, since it uses less digits than its factorization.
20050445200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50126131 (or 50126120 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 22.
The spelling of 20050445200 in words is "twenty billion, fifty million, four hundred forty-five thousand, two hundred".
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