Base | Representation |
---|---|
bin | 10010101000000111… |
… | …001000111101111011 |
3 | 1220121212010011220011 |
4 | 102220013020331323 |
5 | 311430040010321 |
6 | 13104340042351 |
7 | 1305424600024 |
oct | 225007107573 |
9 | 56555104804 |
10 | 20000313211 |
11 | 853372337a |
12 | 3a620933b7 |
13 | 1b69787378 |
14 | d7a367c4b |
15 | 7c0ccdae1 |
hex | 4a81c8f7b |
20000313211 has 2 divisors, whose sum is σ = 20000313212. Its totient is φ = 20000313210.
The previous prime is 20000313199. The next prime is 20000313227. The reversal of 20000313211 is 11231300002.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 20000313211 - 221 = 19998216059 is a prime.
It is a super-2 number, since 2×200003132112 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20000313191 and 20000313200.
It is not a weakly prime, because it can be changed into another prime (20000313271) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000156605 + 10000156606.
It is an arithmetic number, because the mean of its divisors is an integer number (10000156606).
Almost surely, 220000313211 is an apocalyptic number.
20000313211 is a deficient number, since it is larger than the sum of its proper divisors (1).
20000313211 is an equidigital number, since it uses as much as digits as its factorization.
20000313211 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 20000313211 its reverse (11231300002), we get a palindrome (31231613213).
The spelling of 20000313211 in words is "twenty billion, three hundred thirteen thousand, two hundred eleven".
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