Base | Representation |
---|---|
bin | 10010101111011011… |
… | …001111001101010011 |
3 | 1220221102000102221011 |
4 | 102233123033031103 |
5 | 312202443202123 |
6 | 13124442111351 |
7 | 1311444603046 |
oct | 225733171523 |
9 | 56842012834 |
10 | 20123022163 |
11 | 8596a15432 |
12 | 3a971ab557 |
13 | 1b8901c30a |
14 | d8c78ac5d |
15 | 7cb96be0d |
hex | 4af6cf353 |
20123022163 has 2 divisors, whose sum is σ = 20123022164. Its totient is φ = 20123022162.
The previous prime is 20123022109. The next prime is 20123022173. The reversal of 20123022163 is 36122032102.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 20123022163 - 229 = 19586151251 is a prime.
It is not a weakly prime, because it can be changed into another prime (20123022173) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061511081 + 10061511082.
It is an arithmetic number, because the mean of its divisors is an integer number (10061511082).
Almost surely, 220123022163 is an apocalyptic number.
20123022163 is a deficient number, since it is larger than the sum of its proper divisors (1).
20123022163 is an equidigital number, since it uses as much as digits as its factorization.
20123022163 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 20123022163 its reverse (36122032102), we get a palindrome (56245054265).
The spelling of 20123022163 in words is "twenty billion, one hundred twenty-three million, twenty-two thousand, one hundred sixty-three".
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