Base | Representation |
---|---|
bin | 11010011101001111… |
… | …110100011001010011 |
3 | 2201022210121120112011 |
4 | 122131033310121103 |
5 | 431134420122314 |
6 | 21014521243351 |
7 | 2023655535025 |
oct | 323517643123 |
9 | 81283546464 |
10 | 28407973459 |
11 | 11058618a18 |
12 | 5609933557 |
13 | 28a95c1668 |
14 | 1536c2c015 |
15 | b13ea24c4 |
hex | 69d3f4653 |
28407973459 has 2 divisors, whose sum is σ = 28407973460. Its totient is φ = 28407973458.
The previous prime is 28407973421. The next prime is 28407973469. The reversal of 28407973459 is 95437970482.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 28407973459 - 221 = 28405876307 is a prime.
It is not a weakly prime, because it can be changed into another prime (28407973469) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14203986729 + 14203986730.
It is an arithmetic number, because the mean of its divisors is an integer number (14203986730).
Almost surely, 228407973459 is an apocalyptic number.
28407973459 is a deficient number, since it is larger than the sum of its proper divisors (1).
28407973459 is an equidigital number, since it uses as much as digits as its factorization.
28407973459 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15240960, while the sum is 58.
The spelling of 28407973459 in words is "twenty-eight billion, four hundred seven million, nine hundred seventy-three thousand, four hundred fifty-nine".
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