Base | Representation |
---|---|
bin | 11010100101011100… |
… | …000111111001111011 |
3 | 2201200101020102101021 |
4 | 122211130013321323 |
5 | 431430111314302 |
6 | 21040311203311 |
7 | 2030245016404 |
oct | 324534077173 |
9 | 81611212337 |
10 | 28545416827 |
11 | 11119164184 |
12 | 5647976537 |
13 | 28cbc150b5 |
14 | 154b1a89ab |
15 | b210a1437 |
hex | 6a5707e7b |
28545416827 has 2 divisors, whose sum is σ = 28545416828. Its totient is φ = 28545416826.
The previous prime is 28545416819. The next prime is 28545416831. The reversal of 28545416827 is 72861454582.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 28545416827 - 23 = 28545416819 is a prime.
It is not a weakly prime, because it can be changed into another prime (28545414827) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14272708413 + 14272708414.
It is an arithmetic number, because the mean of its divisors is an integer number (14272708414).
Almost surely, 228545416827 is an apocalyptic number.
28545416827 is a deficient number, since it is larger than the sum of its proper divisors (1).
28545416827 is an equidigital number, since it uses as much as digits as its factorization.
28545416827 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 4300800, while the sum is 52.
The spelling of 28545416827 in words is "twenty-eight billion, five hundred forty-five million, four hundred sixteen thousand, eight hundred twenty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •