Base | Representation |
---|---|
bin | 1011110100010110011… |
… | …0010011000001011011 |
3 | 201102001120220001110000 |
4 | 2331011212103001123 |
5 | 11311301432131303 |
6 | 233134325424043 |
7 | 20445205063206 |
oct | 2750546230133 |
9 | 642046801400 |
10 | 203031130203 |
11 | 79117864190 |
12 | 3342286b023 |
13 | 161b82b2c45 |
14 | 9b808ac93d |
15 | 5434616da3 |
hex | 2f4599305b |
203031130203 has 80 divisors (see below), whose sum is σ = 350586735840. Its totient is φ = 115725542400.
The previous prime is 203031130201. The next prime is 203031130217. The reversal of 203031130203 is 302031130302.
203031130203 is a `hidden beast` number, since 20 + 30 + 311 + 302 + 0 + 3 = 666.
203031130203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 203031130203 - 21 = 203031130201 is a prime.
It is not an unprimeable number, because it can be changed into a prime (203031130201) by changing a digit.
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 79 ways as a sum of consecutive naturals, for example, 24549153 + ... + 24557421.
It is an arithmetic number, because the mean of its divisors is an integer number (4382334198).
Almost surely, 2203031130203 is an apocalyptic number.
203031130203 is a deficient number, since it is larger than the sum of its proper divisors (147555605637).
203031130203 is a wasteful number, since it uses less digits than its factorization.
203031130203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9930 (or 9921 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 203031130203 its reverse (302031130302), we get a palindrome (505062260505).
Subtracting 203031130203 from its reverse (302031130302), we obtain a palindrome (99000000099).
The spelling of 203031130203 in words is "two hundred three billion, thirty-one million, one hundred thirty thousand, two hundred three".
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