Base | Representation |
---|---|
bin | 10010101011101101… |
… | …111001111011010011 |
3 | 1220210001221120120221 |
4 | 102223231321323103 |
5 | 312041031304432 |
6 | 13114340413511 |
7 | 1310061021253 |
oct | 225355717323 |
9 | 56701846527 |
10 | 20060806867 |
11 | 8564891132 |
12 | 3a7a3a7297 |
13 | 1b79177c2a |
14 | d843d3963 |
15 | 7c627cb97 |
hex | 4abb79ed3 |
20060806867 has 2 divisors, whose sum is σ = 20060806868. Its totient is φ = 20060806866.
The previous prime is 20060806823. The next prime is 20060806873. The reversal of 20060806867 is 76860806002.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20060806867 is a prime.
It is not a weakly prime, because it can be changed into another prime (20060806877) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10030403433 + 10030403434.
It is an arithmetic number, because the mean of its divisors is an integer number (10030403434).
Almost surely, 220060806867 is an apocalyptic number.
20060806867 is a deficient number, since it is larger than the sum of its proper divisors (1).
20060806867 is an equidigital number, since it uses as much as digits as its factorization.
20060806867 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 193536, while the sum is 43.
The spelling of 20060806867 in words is "twenty billion, sixty million, eight hundred six thousand, eight hundred sixty-seven".
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