Base | Representation |
---|---|
bin | 10001001010000111… |
… | …100110101110000111 |
3 | 1202112221211111202222 |
4 | 101022013212232013 |
5 | 300212341024100 |
6 | 12244044522555 |
7 | 1221356055506 |
oct | 211207465607 |
9 | 52487744688 |
10 | 18423376775 |
11 | 78a4574721 |
12 | 36a1b5045b |
13 | 1977b6829b |
14 | c6ab5883d |
15 | 72c638485 |
hex | 44a1e6b87 |
18423376775 has 12 divisors (see below), whose sum is σ = 22854000792. Its totient is φ = 14732886240.
The previous prime is 18423376753. The next prime is 18423376819. The reversal of 18423376775 is 57767332481.
It is not a de Polignac number, because 18423376775 - 212 = 18423372679 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80177 + ... + 208026.
It is an arithmetic number, because the mean of its divisors is an integer number (1904500066).
Almost surely, 218423376775 is an apocalyptic number.
18423376775 is a deficient number, since it is larger than the sum of its proper divisors (4430624017).
18423376775 is a wasteful number, since it uses less digits than its factorization.
18423376775 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 290770 (or 290765 counting only the distinct ones).
The product of its digits is 5927040, while the sum is 53.
The spelling of 18423376775 in words is "eighteen billion, four hundred twenty-three million, three hundred seventy-six thousand, seven hundred seventy-five".
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