Base | Representation |
---|---|
bin | 1000010101001000011000… |
… | …01101110100000001101001 |
3 | 2101212012120200012022102121 |
4 | 10022210030031310001221 |
5 | 4400111224024340001 |
6 | 102543141122431241 |
7 | 3600310034601361 |
oct | 412441415640151 |
9 | 71765520168377 |
10 | 18318240465001 |
11 | 59227a4206914 |
12 | 207a245802521 |
13 | a2b530863229 |
14 | 4748712539a1 |
15 | 21b775abe6a1 |
hex | 10a90c374069 |
18318240465001 has 8 divisors (see below), whose sum is σ = 18597186693504. Its totient is φ = 18039875982240.
The previous prime is 18318240464957. The next prime is 18318240465011. The reversal of 18318240465001 is 10056404281381.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 18318240465001 - 217 = 18318240333929 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (18318240465011) 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 7 ways as a sum of consecutive naturals, for example, 145372980 + ... + 145498933.
It is an arithmetic number, because the mean of its divisors is an integer number (2324648336688).
Almost surely, 218318240465001 is an apocalyptic number.
It is an amenable number.
18318240465001 is a deficient number, since it is larger than the sum of its proper divisors (278946228503).
18318240465001 is an equidigital number, since it uses as much as digits as its factorization.
18318240465001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 290872871.
The product of its (nonzero) digits is 184320, while the sum is 43.
The spelling of 18318240465001 in words is "eighteen trillion, three hundred eighteen billion, two hundred forty million, four hundred sixty-five thousand, one".
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