Base | Representation |
---|---|
bin | 10010101000101100… |
… | …111001001110100011 |
3 | 1220122112202000000201 |
4 | 102220230321032203 |
5 | 311440103211321 |
6 | 13105332130031 |
7 | 1305604660165 |
oct | 225054711643 |
9 | 56575660021 |
10 | 20010210211 |
11 | 8539273112 |
12 | 3a65466917 |
13 | 1b6b841094 |
14 | d7b7c2935 |
15 | 7c1ad6291 |
hex | 4a8b393a3 |
20010210211 has 2 divisors, whose sum is σ = 20010210212. Its totient is φ = 20010210210.
The previous prime is 20010210161. The next prime is 20010210217. The reversal of 20010210211 is 11201201002.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 20010210211 - 219 = 20009685923 is a prime.
It is not a weakly prime, because it can be changed into another prime (20010210217) 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 as a sum of consecutive naturals, namely, 10005105105 + 10005105106.
It is an arithmetic number, because the mean of its divisors is an integer number (10005105106).
Almost surely, 220010210211 is an apocalyptic number.
20010210211 is a deficient number, since it is larger than the sum of its proper divisors (1).
20010210211 is an equidigital number, since it uses as much as digits as its factorization.
20010210211 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 20010210211 its reverse (11201201002), we get a palindrome (31211411213).
The spelling of 20010210211 in words is "twenty billion, ten million, two hundred ten thousand, two hundred eleven".
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