Base | Representation |
---|---|
bin | 10010111010001011… |
… | …000100011101010001 |
3 | 1221101222022012011202 |
4 | 102322023010131101 |
5 | 313040123130301 |
6 | 13154402520545 |
7 | 1316064325154 |
oct | 227213043521 |
9 | 57358265152 |
10 | 20303333201 |
11 | 867977a818 |
12 | 3b27666155 |
13 | 1bb74a1938 |
14 | da86c5c9b |
15 | 7dc6d766b |
hex | 4ba2c4751 |
20303333201 has 4 divisors (see below), whose sum is σ = 20504356404. Its totient is φ = 20102310000.
The previous prime is 20303333159. The next prime is 20303333203. The reversal of 20303333201 is 10233330302.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 15926187601 + 4377145600 = 126199^2 + 66160^2 .
It is a cyclic number.
It is not a de Polignac number, because 20303333201 - 218 = 20303071057 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20303333203) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100511450 + ... + 100511651.
It is an arithmetic number, because the mean of its divisors is an integer number (5126089101).
Almost surely, 220303333201 is an apocalyptic number.
It is an amenable number.
20303333201 is a deficient number, since it is larger than the sum of its proper divisors (201023203).
20303333201 is a wasteful number, since it uses less digits than its factorization.
20303333201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 201023202.
The product of its (nonzero) digits is 972, while the sum is 20.
Adding to 20303333201 its reverse (10233330302), we get a palindrome (30536663503).
The spelling of 20303333201 in words is "twenty billion, three hundred three million, three hundred thirty-three thousand, two hundred one".
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