Base | Representation |
---|---|
bin | 11001111011010101… |
… | …101010001001101011 |
3 | 2122212011010202001201 |
4 | 121323111222021223 |
5 | 424003301012034 |
6 | 20442240025031 |
7 | 2003610160453 |
oct | 317325521153 |
9 | 78764122051 |
10 | 27839079019 |
11 | 10896486124 |
12 | 548b302177 |
13 | 281879702b |
14 | 14c1460d63 |
15 | ace07b014 |
hex | 67b56a26b |
27839079019 has 2 divisors, whose sum is σ = 27839079020. Its totient is φ = 27839079018.
The previous prime is 27839079001. The next prime is 27839079029. The reversal of 27839079019 is 91097093872.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 27839079019 - 25 = 27839078987 is a prime.
It is a super-2 number, since 2×278390790192 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (27839079029) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13919539509 + 13919539510.
It is an arithmetic number, because the mean of its divisors is an integer number (13919539510).
Almost surely, 227839079019 is an apocalyptic number.
27839079019 is a deficient number, since it is larger than the sum of its proper divisors (1).
27839079019 is an equidigital number, since it uses as much as digits as its factorization.
27839079019 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1714608, while the sum is 55.
The spelling of 27839079019 in words is "twenty-seven billion, eight hundred thirty-nine million, seventy-nine thousand, nineteen".
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