Base | Representation |
---|---|
bin | 1000010110100101110010… |
… | …00100110011011000110101 |
3 | 2102001000000100100212111120 |
4 | 10023102321010303120311 |
5 | 4401421423102423332 |
6 | 103022153014254153 |
7 | 3604033465043145 |
oct | 413227104633065 |
9 | 72030010325446 |
10 | 18368385201717 |
11 | 5941a96646791 |
12 | 2087abb057359 |
13 | a331925ab285 |
14 | 47706ac9c925 |
15 | 21cc0d00432c |
hex | 10b4b9133635 |
18368385201717 has 8 divisors (see below), whose sum is σ = 24733667202720. Its totient is φ = 12124346667600.
The previous prime is 18368385201679. The next prime is 18368385201731. The reversal of 18368385201717 is 71710258386381.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 18368385201717 - 28 = 18368385201461 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18368385001717) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30310866367 + ... + 30310866972.
It is an arithmetic number, because the mean of its divisors is an integer number (3091708400340).
Almost surely, 218368385201717 is an apocalyptic number.
It is an amenable number.
18368385201717 is a deficient number, since it is larger than the sum of its proper divisors (6365282001003).
18368385201717 is a wasteful number, since it uses less digits than its factorization.
18368385201717 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60621733443.
The product of its (nonzero) digits is 13547520, while the sum is 60.
The spelling of 18368385201717 in words is "eighteen trillion, three hundred sixty-eight billion, three hundred eighty-five million, two hundred one thousand, seven hundred seventeen".
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