Base | Representation |
---|---|
bin | 11010011100011001… |
… | …110100110011110110 |
3 | 2201021210222110210002 |
4 | 122130121310303312 |
5 | 431122304210012 |
6 | 21013254031302 |
7 | 2023424324345 |
oct | 323431646366 |
9 | 81253873702 |
10 | 28393819382 |
11 | 11050630835 |
12 | 5605048532 |
13 | 28a66a7076 |
14 | 1534dc5b5c |
15 | b12b087c2 |
hex | 69c674cf6 |
28393819382 has 8 divisors (see below), whose sum is σ = 42592122000. Its totient is φ = 14196445384.
The previous prime is 28393819357. The next prime is 28393819417. The reversal of 28393819382 is 28391839382.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
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, 149882 + ... + 281517.
It is an arithmetic number, because the mean of its divisors is an integer number (5324015250).
Almost surely, 228393819382 is an apocalyptic number.
28393819382 is a deficient number, since it is larger than the sum of its proper divisors (14198302618).
28393819382 is a wasteful number, since it uses less digits than its factorization.
28393819382 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 464310.
The product of its digits is 4478976, while the sum is 56.
The spelling of 28393819382 in words is "twenty-eight billion, three hundred ninety-three million, eight hundred nineteen thousand, three hundred eighty-two".
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