Base | Representation |
---|---|
bin | 1011110100010011110… |
… | …0010101011011010000 |
3 | 201102000211012012000002 |
4 | 2331010330111123100 |
5 | 11311241123130000 |
6 | 233133253545132 |
7 | 20445012426512 |
oct | 2750474253320 |
9 | 642024165002 |
10 | 203020130000 |
11 | 79111630606 |
12 | 3341b0451a8 |
13 | 161b5c3104c |
14 | 9b7d247bb2 |
15 | 54336928d5 |
hex | 2f44f156d0 |
203020130000 has 200 divisors, whose sum is σ = 522202216800. Its totient is φ = 76220352000.
The previous prime is 203020129987. The next prime is 203020130069. The reversal of 203020130000 is 31020302.
203020130000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (200).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20705099 + ... + 20714901.
It is an arithmetic number, because the mean of its divisors is an integer number (2611011084).
Almost surely, 2203020130000 is an apocalyptic number.
203020130000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 203020130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261101108400).
203020130000 is an abundant number, since it is smaller than the sum of its proper divisors (319182086800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203020130000 is a wasteful number, since it uses less digits than its factorization.
203020130000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9959 (or 9938 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 11.
Adding to 203020130000 its reverse (31020302), we get a palindrome (203051150302).
The spelling of 203020130000 in words is "two hundred three billion, twenty million, one hundred thirty thousand".
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