Base | Representation |
---|---|
bin | 10010101000110011… |
… | …110000101011011011 |
3 | 1220122200010110011002 |
4 | 102220303300223123 |
5 | 311441033311303 |
6 | 13105434455215 |
7 | 1305626165033 |
oct | 225063605333 |
9 | 56580113132 |
10 | 20012010203 |
11 | 853a292509 |
12 | 3a65b9450b |
13 | 1b6c021473 |
14 | d7bb308c3 |
15 | 7c1d3e788 |
hex | 4a8cf0adb |
20012010203 has 2 divisors, whose sum is σ = 20012010204. Its totient is φ = 20012010202.
The previous prime is 20012010163. The next prime is 20012010253. The reversal of 20012010203 is 30201021002.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 20012010203 - 224 = 19995232987 is a prime.
It is a super-2 number, since 2×200120102032 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (20012010253) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006005101 + 10006005102.
It is an arithmetic number, because the mean of its divisors is an integer number (10006005102).
Almost surely, 220012010203 is an apocalyptic number.
20012010203 is a deficient number, since it is larger than the sum of its proper divisors (1).
20012010203 is an equidigital number, since it uses as much as digits as its factorization.
20012010203 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 24, while the sum is 11.
Adding to 20012010203 its reverse (30201021002), we get a palindrome (50213031205).
The spelling of 20012010203 in words is "twenty billion, twelve million, ten thousand, two hundred three".
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