Base | Representation |
---|---|
bin | 10010101001010010… |
… | …001111010101101111 |
3 | 1220200020011101020121 |
4 | 102221102033111233 |
5 | 312000110000421 |
6 | 13110322025411 |
7 | 1306054123156 |
oct | 225122172557 |
9 | 56606141217 |
10 | 20020000111 |
11 | 854384a441 |
12 | 3a687a8267 |
13 | 1b7088b117 |
14 | d7cc1059d |
15 | 7c28bbd41 |
hex | 4a948f56f |
20020000111 has 2 divisors, whose sum is σ = 20020000112. Its totient is φ = 20020000110.
The previous prime is 20020000097. The next prime is 20020000151. The reversal of 20020000111 is 11100002002.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 20020000111 - 215 = 20019967343 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20020000094 and 20020000103.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20020000151) 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 as a sum of consecutive naturals, namely, 10010000055 + 10010000056.
It is an arithmetic number, because the mean of its divisors is an integer number (10010000056).
Almost surely, 220020000111 is an apocalyptic number.
20020000111 is a deficient number, since it is larger than the sum of its proper divisors (1).
20020000111 is an equidigital number, since it uses as much as digits as its factorization.
20020000111 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4, while the sum is 7.
Adding to 20020000111 its reverse (11100002002), we get a palindrome (31120002113).
The spelling of 20020000111 in words is "twenty billion, twenty million, one hundred eleven", and thus it is an aban number.
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