Base | Representation |
---|---|
bin | 10010101111011011… |
… | …100100101111011011 |
3 | 1220221102011220220211 |
4 | 102233123210233123 |
5 | 312203004012423 |
6 | 13124444031551 |
7 | 1311445421146 |
oct | 225733445733 |
9 | 56842156824 |
10 | 20123110363 |
11 | 8596a75724 |
12 | 3a972325b7 |
13 | 1b890504c5 |
14 | d8c7b105d |
15 | 7cb98810d |
hex | 4af6e4bdb |
20123110363 has 2 divisors, whose sum is σ = 20123110364. Its totient is φ = 20123110362.
The previous prime is 20123110283. The next prime is 20123110391. The reversal of 20123110363 is 36301132102.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 20123110363 - 213 = 20123102171 is a prime.
It is not a weakly prime, because it can be changed into another prime (20123110393) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061555181 + 10061555182.
It is an arithmetic number, because the mean of its divisors is an integer number (10061555182).
Almost surely, 220123110363 is an apocalyptic number.
20123110363 is a deficient number, since it is larger than the sum of its proper divisors (1).
20123110363 is an equidigital number, since it uses as much as digits as its factorization.
20123110363 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 20123110363 its reverse (36301132102), we get a palindrome (56424242465).
The spelling of 20123110363 in words is "twenty billion, one hundred twenty-three million, one hundred ten thousand, three hundred sixty-three".
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