Base | Representation |
---|---|
bin | 1000100001110101100100… |
… | …00010001110001010110100 |
3 | 2110101221110020120221010222 |
4 | 10100322302002032022310 |
5 | 4424234324410003413 |
6 | 103515502003433512 |
7 | 3643663530610613 |
oct | 420726202161264 |
9 | 73357406527128 |
10 | 18754814141108 |
11 | 5a80965711411 |
12 | 212a985385898 |
13 | a60757442326 |
14 | 48ba4892387a |
15 | 227cc8297b08 |
hex | 110eb208e2b4 |
18754814141108 has 6 divisors (see below), whose sum is σ = 32820924746946. Its totient is φ = 9377407070552.
The previous prime is 18754814141093. The next prime is 18754814141117. The reversal of 18754814141108 is 80114141845781.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 12801711890704 + 5953102250404 = 3577948^2 + 2439898^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 18754814141108.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2344351767635 + ... + 2344351767642.
It is an arithmetic number, because the mean of its divisors is an integer number (5470154124491).
Almost surely, 218754814141108 is an apocalyptic number.
It is an amenable number.
18754814141108 is a deficient number, since it is larger than the sum of its proper divisors (14066110605838).
18754814141108 is a wasteful number, since it uses less digits than its factorization.
18754814141108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4688703535281 (or 4688703535279 counting only the distinct ones).
The product of its (nonzero) digits is 1146880, while the sum is 53.
Adding to 18754814141108 its reverse (80114141845781), we get a palindrome (98868955986889).
The spelling of 18754814141108 in words is "eighteen trillion, seven hundred fifty-four billion, eight hundred fourteen million, one hundred forty-one thousand, one hundred eight".
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