Base | Representation |
---|---|
bin | 10000110101010111… |
… | …111101111000100111 |
3 | 1201122200221122010212 |
4 | 100311113331320213 |
5 | 244004242010143 |
6 | 12145333210035 |
7 | 1206631615103 |
oct | 206527757047 |
9 | 51580848125 |
10 | 18075344423 |
11 | 7736073884 |
12 | 360549091b |
13 | 1920a20896 |
14 | c36840903 |
15 | 70bcdc918 |
hex | 4355fde27 |
18075344423 has 8 divisors (see below), whose sum is σ = 19030752000. Its totient is φ = 17120344248.
The previous prime is 18075344407. The next prime is 18075344447. The reversal of 18075344423 is 32444357081.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 18075344423 - 24 = 18075344407 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18075344453) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8573 + ... + 190326.
It is an arithmetic number, because the mean of its divisors is an integer number (2378844000).
Almost surely, 218075344423 is an apocalyptic number.
18075344423 is a deficient number, since it is larger than the sum of its proper divisors (955407577).
18075344423 is a wasteful number, since it uses less digits than its factorization.
18075344423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 203701.
The product of its (nonzero) digits is 322560, while the sum is 41.
The spelling of 18075344423 in words is "eighteen billion, seventy-five million, three hundred forty-four thousand, four hundred twenty-three".
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