Base | Representation |
---|---|
bin | 10000110011110000… |
… | …100011011101010101 |
3 | 1201120210221100111002 |
4 | 100303300203131111 |
5 | 243430322012344 |
6 | 12142524153045 |
7 | 1206152316644 |
oct | 206360433525 |
9 | 51523840432 |
10 | 18048235349 |
11 | 7721838391 |
12 | 35b8398785 |
13 | 191821b701 |
14 | c32dc535b |
15 | 70973544e |
hex | 433c23755 |
18048235349 has 8 divisors (see below), whose sum is σ = 18347342208. Its totient is φ = 17750003040.
The previous prime is 18048235339. The next prime is 18048235367. The reversal of 18048235349 is 94353284081.
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 18048235349 - 228 = 17779799893 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 (18048235319) 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 7 ways as a sum of consecutive naturals, for example, 176957 + ... + 259634.
It is an arithmetic number, because the mean of its divisors is an integer number (2293417776).
Almost surely, 218048235349 is an apocalyptic number.
It is an amenable number.
18048235349 is a deficient number, since it is larger than the sum of its proper divisors (299106859).
18048235349 is an equidigital number, since it uses as much as digits as its factorization.
18048235349 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 437275.
The product of its (nonzero) digits is 829440, while the sum is 47.
The spelling of 18048235349 in words is "eighteen billion, forty-eight million, two hundred thirty-five thousand, three hundred forty-nine".
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