Base | Representation |
---|---|
bin | 11010100001101101… |
… | …001001000001110001 |
3 | 2201112000100120201201 |
4 | 122201231021001301 |
5 | 431313042102014 |
6 | 21030152331201 |
7 | 2025554353612 |
oct | 324155110161 |
9 | 81460316651 |
10 | 28482769009 |
11 | 11096864a22 |
12 | 562a9a3b01 |
13 | 28bbc4bb96 |
14 | 1542b3bc09 |
15 | b1a828e74 |
hex | 6a1b49071 |
28482769009 has 2 divisors, whose sum is σ = 28482769010. Its totient is φ = 28482769008.
The previous prime is 28482768991. The next prime is 28482769013. The reversal of 28482769009 is 90096728482.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 24264915984 + 4217853025 = 155772^2 + 64945^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-28482769009 is a prime.
It is a super-2 number, since 2×284827690092 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (28482769019) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14241384504 + 14241384505.
It is an arithmetic number, because the mean of its divisors is an integer number (14241384505).
Almost surely, 228482769009 is an apocalyptic number.
It is an amenable number.
28482769009 is a deficient number, since it is larger than the sum of its proper divisors (1).
28482769009 is an equidigital number, since it uses as much as digits as its factorization.
28482769009 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3483648, while the sum is 55.
The spelling of 28482769009 in words is "twenty-eight billion, four hundred eighty-two million, seven hundred sixty-nine thousand, nine".
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