Base | Representation |
---|---|
bin | 11010101001001000… |
… | …010000110011001100 |
3 | 2201211200201101112101 |
4 | 122221020100303030 |
5 | 432041433203434 |
6 | 21050402044444 |
7 | 2031626126050 |
oct | 325110206314 |
9 | 81750641471 |
10 | 28607319244 |
11 | 111500a43a9 |
12 | 5664649724 |
13 | 290b9a9c4a |
14 | 15554bdc60 |
15 | b2672cb14 |
hex | 6a9210ccc |
28607319244 has 12 divisors (see below), whose sum is σ = 57214638544. Its totient is φ = 12260279664.
The previous prime is 28607319229. The next prime is 28607319253. The reversal of 28607319244 is 44291370682.
It is a happy number.
28607319244 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 28607319194 and 28607319203.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510844959 + ... + 510845014.
Almost surely, 228607319244 is an apocalyptic number.
It is an amenable number.
28607319244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28607319244 is a wasteful number, since it uses less digits than its factorization.
28607319244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1021689984 (or 1021689982 counting only the distinct ones).
The product of its (nonzero) digits is 580608, while the sum is 46.
The spelling of 28607319244 in words is "twenty-eight billion, six hundred seven million, three hundred nineteen thousand, two hundred forty-four".
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