Base | Representation |
---|---|
bin | 110001010110110… |
… | …100010110001001 |
3 | 2010201011001212001 |
4 | 301112310112021 |
5 | 3143441041121 |
6 | 214100151001 |
7 | 26343303100 |
oct | 6126642611 |
9 | 2121131761 |
10 | 828065161 |
11 | 39546a680 |
12 | 1b1398461 |
13 | 10272b2b1 |
14 | 7bd93037 |
15 | 4ca6c991 |
hex | 315b4589 |
828065161 has 24 divisors (see below), whose sum is σ = 1054892160. Its totient is φ = 642751200.
The previous prime is 828065153. The next prime is 828065191. The reversal of 828065161 is 161560828.
It is not a de Polignac number, because 828065161 - 23 = 828065153 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 828065161.
It is not an unprimeable number, because it can be changed into a prime (828065191) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143235 + ... + 148903.
It is an arithmetic number, because the mean of its divisors is an integer number (43953840).
Almost surely, 2828065161 is an apocalyptic number.
It is an amenable number.
828065161 is a deficient number, since it is larger than the sum of its proper divisors (226826999).
828065161 is a wasteful number, since it uses less digits than its factorization.
828065161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5965 (or 5958 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 37.
The square root of 828065161 is about 28776.1213682456. The cubic root of 828065161 is about 939.0488194058.
It can be divided in two parts, 8280 and 65161, that added together give a square (73441 = 2712).
The spelling of 828065161 in words is "eight hundred twenty-eight million, sixty-five thousand, one hundred sixty-one".
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