Base | Representation |
---|---|
bin | 10000110011001010… |
… | …001111010001001111 |
3 | 1201120010001001110221 |
4 | 100303022033101033 |
5 | 243420234104213 |
6 | 12141525012211 |
7 | 1206001044445 |
oct | 206312172117 |
9 | 51503031427 |
10 | 18038191183 |
11 | 77170a8021 |
12 | 35b4b54067 |
13 | 1916112a0c |
14 | c3192cb95 |
15 | 7088ee38d |
hex | 43328f44f |
18038191183 has 2 divisors, whose sum is σ = 18038191184. Its totient is φ = 18038191182.
The previous prime is 18038191181. The next prime is 18038191187. The reversal of 18038191183 is 38119183081.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 18038191183 - 21 = 18038191181 is a prime.
Together with 18038191181, 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 (18038191181) 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 as a sum of consecutive naturals, namely, 9019095591 + 9019095592.
It is an arithmetic number, because the mean of its divisors is an integer number (9019095592).
Almost surely, 218038191183 is an apocalyptic number.
18038191183 is a deficient number, since it is larger than the sum of its proper divisors (1).
18038191183 is an equidigital number, since it uses as much as digits as its factorization.
18038191183 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 41472, while the sum is 43.
The spelling of 18038191183 in words is "eighteen billion, thirty-eight million, one hundred ninety-one thousand, one hundred eighty-three".
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