Base | Representation |
---|---|
bin | 1000011000010110101000… |
… | …10111000011100000010010 |
3 | 2102020210101210002012021120 |
4 | 10030023110113003200102 |
5 | 4403420013430411143 |
6 | 103110053022503110 |
7 | 3611310055512414 |
oct | 414132427034022 |
9 | 72223353065246 |
10 | 18428972513298 |
11 | 59657575a5716 |
12 | 20977a9734a96 |
13 | a38ac99108b9 |
14 | 479d777549b4 |
15 | 21e5a70ba383 |
hex | 10c2d45c3812 |
18428972513298 has 8 divisors (see below), whose sum is σ = 36857945026608. Its totient is φ = 6142990837764.
The previous prime is 18428972513297. The next prime is 18428972513377. The reversal of 18428972513298 is 89231527982481.
It is a sphenic number, since it is the product of 3 distinct primes.
18428972513298 is an admirable number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (18428972513297) 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 in 3 ways as a sum of consecutive naturals, for example, 1535747709436 + ... + 1535747709447.
It is an arithmetic number, because the mean of its divisors is an integer number (4607243128326).
Almost surely, 218428972513298 is an apocalyptic number.
18428972513298 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18428972513298 is a wasteful number, since it uses less digits than its factorization.
18428972513298 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3071495418888.
The product of its digits is 139345920, while the sum is 69.
The spelling of 18428972513298 in words is "eighteen trillion, four hundred twenty-eight billion, nine hundred seventy-two million, five hundred thirteen thousand, two hundred ninety-eight".
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