Base | Representation |
---|---|
bin | 1000001100000011101101… |
… | …00101100001000111101001 |
3 | 2100202101220102022100120010 |
4 | 10012001312211201013221 |
5 | 4330004244031420210 |
6 | 102144022440522133 |
7 | 3535632445316151 |
oct | 406016645410751 |
9 | 70671812270503 |
10 | 18006492451305 |
11 | 5812568618a96 |
12 | 2029941a80349 |
13 | a0800ab59637 |
14 | 463739b69761 |
15 | 2135cbd67920 |
hex | 1060769611e9 |
18006492451305 has 8 divisors (see below), whose sum is σ = 28810387922112. Its totient is φ = 9603462640688.
The previous prime is 18006492451303. The next prime is 18006492451331. The reversal of 18006492451305 is 50315429460081.
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 18006492451305 - 21 = 18006492451303 is a prime.
It is not an unprimeable number, because it can be changed into a prime (18006492451303) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600216415029 + ... + 600216415058.
It is an arithmetic number, because the mean of its divisors is an integer number (3601298490264).
Almost surely, 218006492451305 is an apocalyptic number.
18006492451305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
18006492451305 is a deficient number, since it is larger than the sum of its proper divisors (10803895470807).
18006492451305 is a wasteful number, since it uses less digits than its factorization.
18006492451305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1200432830095.
The product of its (nonzero) digits is 1036800, while the sum is 48.
The spelling of 18006492451305 in words is "eighteen trillion, six billion, four hundred ninety-two million, four hundred fifty-one thousand, three hundred five".
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