Base | Representation |
---|---|
bin | 10000110011110010… |
… | …110101111101011111 |
3 | 1201120212001211122001 |
4 | 100303302311331133 |
5 | 243431000213143 |
6 | 12142545103131 |
7 | 1206160366303 |
oct | 206362657537 |
9 | 51525054561 |
10 | 18048835423 |
11 | 7722108213 |
12 | 35b8627aa7 |
13 | 191839b898 |
14 | c330ddd03 |
15 | 70980314d |
hex | 433cb5f5f |
18048835423 has 2 divisors, whose sum is σ = 18048835424. Its totient is φ = 18048835422.
The previous prime is 18048835421. The next prime is 18048835447. The reversal of 18048835423 is 32453884081.
It is a weak prime.
It is an emirp because it is prime and its reverse (32453884081) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 18048835423 - 21 = 18048835421 is a prime.
Together with 18048835421, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (18048835421) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9024417711 + 9024417712.
It is an arithmetic number, because the mean of its divisors is an integer number (9024417712).
Almost surely, 218048835423 is an apocalyptic number.
18048835423 is a deficient number, since it is larger than the sum of its proper divisors (1).
18048835423 is an equidigital number, since it uses as much as digits as its factorization.
18048835423 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 737280, while the sum is 46.
It can be divided in two parts, 18048 and 835423, that added together give a triangular number (853471 = T1306).
The spelling of 18048835423 in words is "eighteen billion, forty-eight million, eight hundred thirty-five thousand, four hundred twenty-three".
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