Base | Representation |
---|---|
bin | 11010001000100101… |
… | …011100000001011011 |
3 | 2200102122022201100201 |
4 | 122020211130001123 |
5 | 424432144204014 |
6 | 20520255243031 |
7 | 2012246164261 |
oct | 321045340133 |
9 | 80378281321 |
10 | 28061319259 |
11 | 1099a979546 |
12 | 5531819477 |
13 | 285283a32c |
14 | 1502b92431 |
15 | ae3829e74 |
hex | 68895c05b |
28061319259 has 2 divisors, whose sum is σ = 28061319260. Its totient is φ = 28061319258.
The previous prime is 28061319193. The next prime is 28061319283. The reversal of 28061319259 is 95291316082.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 28061319259 - 225 = 28027764827 is a prime.
It is not a weakly prime, because it can be changed into another prime (28061319359) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14030659629 + 14030659630.
It is an arithmetic number, because the mean of its divisors is an integer number (14030659630).
Almost surely, 228061319259 is an apocalyptic number.
28061319259 is a deficient number, since it is larger than the sum of its proper divisors (1).
28061319259 is an equidigital number, since it uses as much as digits as its factorization.
28061319259 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 233280, while the sum is 46.
The spelling of 28061319259 in words is "twenty-eight billion, sixty-one million, three hundred nineteen thousand, two hundred fifty-nine".
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