Base | Representation |
---|---|
bin | 10010101000001010… |
… | …001000000010010011 |
3 | 1220121220120221102221 |
4 | 102220022020002103 |
5 | 311430240031302 |
6 | 13104404521511 |
7 | 1305434336506 |
oct | 225012100223 |
9 | 56556527387 |
10 | 20001095827 |
11 | 8534108369 |
12 | 3a623b0297 |
13 | 1b6999c65b |
14 | d7a4cd13d |
15 | 7c0dd5937 |
hex | 4a8288093 |
20001095827 has 2 divisors, whose sum is σ = 20001095828. Its totient is φ = 20001095826.
The previous prime is 20001095819. The next prime is 20001095843. The reversal of 20001095827 is 72859010002.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 20001095827 - 23 = 20001095819 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20001095792 and 20001095801.
It is not a weakly prime, because it can be changed into another prime (20001095027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000547913 + 10000547914.
It is an arithmetic number, because the mean of its divisors is an integer number (10000547914).
Almost surely, 220001095827 is an apocalyptic number.
20001095827 is a deficient number, since it is larger than the sum of its proper divisors (1).
20001095827 is an equidigital number, since it uses as much as digits as its factorization.
20001095827 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10080, while the sum is 34.
The spelling of 20001095827 in words is "twenty billion, one million, ninety-five thousand, eight hundred twenty-seven".
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