Base | Representation |
---|---|
bin | 10010101000110011… |
… | …110000101011011001 |
3 | 1220122200010110011000 |
4 | 102220303300223121 |
5 | 311441033311301 |
6 | 13105434455213 |
7 | 1305626165031 |
oct | 225063605331 |
9 | 56580113130 |
10 | 20012010201 |
11 | 853a292507 |
12 | 3a65b94509 |
13 | 1b6c021471 |
14 | d7bb308c1 |
15 | 7c1d3e786 |
hex | 4a8cf0ad9 |
20012010201 has 16 divisors (see below), whose sum is σ = 30133448320. Its totient is φ = 13122628560.
The previous prime is 20012010163. The next prime is 20012010203. The reversal of 20012010201 is 10201021002.
It is not a de Polignac number, because 20012010201 - 210 = 20012009177 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (20012010203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6073645 + ... + 6076938.
It is an arithmetic number, because the mean of its divisors is an integer number (1883340520).
Almost surely, 220012010201 is an apocalyptic number.
It is an amenable number.
20012010201 is a deficient number, since it is larger than the sum of its proper divisors (10121438119).
20012010201 is a wasteful number, since it uses less digits than its factorization.
20012010201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12150653 (or 12150647 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
Adding to 20012010201 its reverse (10201021002), we get a palindrome (30213031203).
The spelling of 20012010201 in words is "twenty billion, twelve million, ten thousand, two hundred one".
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