Search a number
-
+
20050445200 = 245250126113
BaseRepresentation
bin10010101011000110…
…011000001110010000
31220202100110011001111
4102223012120032100
5312030403221300
613113330343104
71306603654312
oct225306301620
956670404044
1020050445200
118559a54275
123a76a2aa94
131b76c8a876
14d82c977b2
157c53d29ba
hex4ab198390

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".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 50126113 100252226 200504452 250630565 401008904 501261130 802017808 1002522260 1253152825 2005044520 2506305650 4010089040 5012611300 10025222600 20050445200