Base | Representation |
---|---|
bin | 10000110010110110… |
… | …110100111001101011 |
3 | 1201112202110112001002 |
4 | 100302312310321223 |
5 | 243412433234233 |
6 | 12141223545215 |
7 | 1205606561456 |
oct | 206266647153 |
9 | 51482415032 |
10 | 18033102443 |
11 | 7714241854 |
12 | 35b32bb20b |
13 | 1915050725 |
14 | c30da649d |
15 | 7082466e8 |
hex | 432db4e6b |
18033102443 has 4 divisors (see below), whose sum is σ = 18033464568. Its totient is φ = 18032740320.
The previous prime is 18033102403. The next prime is 18033102467. The reversal of 18033102443 is 34420133081.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34420133081 = 41 ⋅839515441.
It is a cyclic number.
It is not a de Polignac number, because 18033102443 - 224 = 18016325227 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (18033102403) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91646 + ... + 210867.
It is an arithmetic number, because the mean of its divisors is an integer number (4508366142).
Almost surely, 218033102443 is an apocalyptic number.
18033102443 is a deficient number, since it is larger than the sum of its proper divisors (362125).
18033102443 is an equidigital number, since it uses as much as digits as its factorization.
18033102443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 362124.
The product of its (nonzero) digits is 6912, while the sum is 29.
The spelling of 18033102443 in words is "eighteen billion, thirty-three million, one hundred two thousand, four hundred forty-three".
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