Base | Representation |
---|---|
bin | 10001001101101001… |
… | …000010011001011111 |
3 | 1202201002000212221010 |
4 | 101031221002121133 |
5 | 300323003110133 |
6 | 12253555310303 |
7 | 1223004265413 |
oct | 211551023137 |
9 | 52632025833 |
10 | 18482472543 |
11 | 79249681a7 |
12 | 36b98ab393 |
13 | 19871897b2 |
14 | c7493cd43 |
15 | 73290d263 |
hex | 44da4265f |
18482472543 has 32 divisors (see below), whose sum is σ = 25082044416. Its totient is φ = 12104689248.
The previous prime is 18482472497. The next prime is 18482472553. The reversal of 18482472543 is 34527428481.
It is not a de Polignac number, because 18482472543 - 220 = 18481423967 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 18482472492 and 18482472501.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18482472553) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 37951446 + ... + 37951932.
It is an arithmetic number, because the mean of its divisors is an integer number (783813888).
Almost surely, 218482472543 is an apocalyptic number.
18482472543 is a deficient number, since it is larger than the sum of its proper divisors (6599571873).
18482472543 is a wasteful number, since it uses less digits than its factorization.
18482472543 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1323.
The product of its digits is 1720320, while the sum is 48.
The spelling of 18482472543 in words is "eighteen billion, four hundred eighty-two million, four hundred seventy-two thousand, five hundred forty-three".
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