Base | Representation |
---|---|
bin | 11010011110001101… |
… | …100010011110010011 |
3 | 2201100221001120122122 |
4 | 122132031202132103 |
5 | 431203040343404 |
6 | 21020300124455 |
7 | 2024243212445 |
oct | 323615423623 |
9 | 81327046578 |
10 | 28424152979 |
11 | 11066769922 |
12 | 561323672b |
13 | 28aca67b41 |
14 | 1539040495 |
15 | b155eb3be |
hex | 69e362793 |
28424152979 has 2 divisors, whose sum is σ = 28424152980. Its totient is φ = 28424152978.
The previous prime is 28424152961. The next prime is 28424153033. The reversal of 28424152979 is 97925142482.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 28424152979 - 28 = 28424152723 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 28424152979.
It is not a weakly prime, because it can be changed into another prime (28424112979) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14212076489 + 14212076490.
It is an arithmetic number, because the mean of its divisors is an integer number (14212076490).
Almost surely, 228424152979 is an apocalyptic number.
28424152979 is a deficient number, since it is larger than the sum of its proper divisors (1).
28424152979 is an equidigital number, since it uses as much as digits as its factorization.
28424152979 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2903040, while the sum is 53.
The spelling of 28424152979 in words is "twenty-eight billion, four hundred twenty-four million, one hundred fifty-two thousand, nine hundred seventy-nine".
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