Base | Representation |
---|---|
bin | 11010011011110000… |
… | …011111011001101001 |
3 | 2201021001120222010200 |
4 | 122123300133121221 |
5 | 431112020440120 |
6 | 21012225502413 |
7 | 2023233244602 |
oct | 323360373151 |
9 | 81231528120 |
10 | 28382983785 |
11 | 110454aa8a2 |
12 | 56014a1a09 |
13 | 28a4382080 |
14 | 15337a4da9 |
15 | b11bb7e90 |
hex | 69bc1f669 |
28382983785 has 48 divisors (see below), whose sum is σ = 53727867648. Its totient is φ = 13776336000.
The previous prime is 28382983771. The next prime is 28382983793. The reversal of 28382983785 is 58738928382.
It is not a de Polignac number, because 28382983785 - 28 = 28382983529 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 300141 + ... + 383210.
It is an arithmetic number, because the mean of its divisors is an integer number (1119330576).
Almost surely, 228382983785 is an apocalyptic number.
It is an amenable number.
28382983785 is a deficient number, since it is larger than the sum of its proper divisors (25344883863).
28382983785 is a wasteful number, since it uses less digits than its factorization.
28382983785 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 683446 (or 683443 counting only the distinct ones).
The product of its digits is 46448640, while the sum is 63.
The spelling of 28382983785 in words is "twenty-eight billion, three hundred eighty-two million, nine hundred eighty-three thousand, seven hundred eighty-five".
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