Base | Representation |
---|---|
bin | 10010111010100101… |
… | …101010000111101011 |
3 | 1221102110102022020021 |
4 | 102322211222013223 |
5 | 313043414200321 |
6 | 13155212141311 |
7 | 1316210504662 |
oct | 227245520753 |
9 | 57373368207 |
10 | 20310303211 |
11 | 8682700460 |
12 | 3b29a67837 |
13 | 1bb8a722c3 |
14 | da95bbdd9 |
15 | 7dd112941 |
hex | 4ba96a1eb |
20310303211 has 12 divisors (see below), whose sum is σ = 22378363272. Its totient is φ = 18281000000.
The previous prime is 20310303191. The next prime is 20310303227. The reversal of 20310303211 is 11230301302.
It is not a de Polignac number, because 20310303211 - 215 = 20310270443 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20310303241) 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 11 ways as a sum of consecutive naturals, for example, 21711 + ... + 202711.
It is an arithmetic number, because the mean of its divisors is an integer number (1864863606).
Almost surely, 220310303211 is an apocalyptic number.
20310303211 is a deficient number, since it is larger than the sum of its proper divisors (2068060061).
20310303211 is a wasteful number, since it uses less digits than its factorization.
20310303211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 181214 (or 181113 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 20310303211 its reverse (11230301302), we get a palindrome (31540604513).
The spelling of 20310303211 in words is "twenty billion, three hundred ten million, three hundred three thousand, two hundred eleven".
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