Base | Representation |
---|---|
bin | 1011110101000001010… |
… | …0100001011110101011 |
3 | 201102112010101102010121 |
4 | 2331100110201132223 |
5 | 11312134010121303 |
6 | 233204233224111 |
7 | 20452521112642 |
oct | 2752024413653 |
9 | 642463342117 |
10 | 203211020203 |
11 | 791aa361204 |
12 | 33472b62037 |
13 | 16216648a29 |
14 | 9b9a738359 |
15 | 54452ec9bd |
hex | 2f505217ab |
203211020203 has 8 divisors (see below), whose sum is σ = 203436167760. Its totient is φ = 202985938080.
The previous prime is 203211020183. The next prime is 203211020237. The reversal of 203211020203 is 302020112302.
203211020203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 203211020203 - 29 = 203211019691 is a prime.
It is a super-2 number, since 2×2032110202032 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (203211026203) 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 7 ways as a sum of consecutive naturals, for example, 8632213 + ... + 8655721.
It is an arithmetic number, because the mean of its divisors is an integer number (25429520970).
Almost surely, 2203211020203 is an apocalyptic number.
203211020203 is a deficient number, since it is larger than the sum of its proper divisors (225147557).
203211020203 is a wasteful number, since it uses less digits than its factorization.
203211020203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32717.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 203211020203 its reverse (302020112302), we get a palindrome (505231132505).
The spelling of 203211020203 in words is "two hundred three billion, two hundred eleven million, twenty thousand, two hundred three".
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