Base | Representation |
---|---|
bin | 10001000100110011… |
… | …000110001010010001 |
3 | 1202022201212111212220 |
4 | 101010303012022101 |
5 | 300022013130244 |
6 | 12231135411253 |
7 | 1216223254500 |
oct | 210463061221 |
9 | 52281774786 |
10 | 18334114449 |
11 | 7859147602 |
12 | 3678083b29 |
13 | 1962514041 |
14 | c5cd60837 |
15 | 7248a5319 |
hex | 444cc6291 |
18334114449 has 24 divisors (see below), whose sum is σ = 28460933568. Its totient is φ = 10467666720.
The previous prime is 18334114441. The next prime is 18334114451. The reversal of 18334114449 is 94441143381.
It is a happy number.
It is not a de Polignac number, because 18334114449 - 23 = 18334114441 is a prime.
It is a super-2 number, since 2×183341144492 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 18334114449.
It is not an unprimeable number, because it can be changed into a prime (18334114441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120804 + ... + 226410.
It is an arithmetic number, because the mean of its divisors is an integer number (1185872232).
Almost surely, 218334114449 is an apocalyptic number.
It is an amenable number.
18334114449 is a deficient number, since it is larger than the sum of its proper divisors (10126819119).
18334114449 is a wasteful number, since it uses less digits than its factorization.
18334114449 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106805 (or 106798 counting only the distinct ones).
The product of its digits is 165888, while the sum is 42.
The spelling of 18334114449 in words is "eighteen billion, three hundred thirty-four million, one hundred fourteen thousand, four hundred forty-nine".
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