Base | Representation |
---|---|
bin | 1000001100000110010001… |
… | …00110111001100010011111 |
3 | 2100202112110022200011111001 |
4 | 10012003020212321202133 |
5 | 4330020103321421213 |
6 | 102144411155211131 |
7 | 3536011525033516 |
oct | 406031046714237 |
9 | 70675408604431 |
10 | 18007868545183 |
11 | 5813104369760 |
12 | 202a0668a6aa7 |
13 | a08199c87a7a |
14 | 46382a81767d |
15 | 21365ca891dd |
hex | 1060c89b989f |
18007868545183 has 8 divisors (see below), whose sum is σ = 19645256188800. Its totient is φ = 16370532349080.
The previous prime is 18007868545099. The next prime is 18007868545189. The reversal of 18007868545183 is 38154586870081.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-18007868545183 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18007868545189) 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, 12128185 + ... + 13531762.
It is an arithmetic number, because the mean of its divisors is an integer number (2455657023600).
Almost surely, 218007868545183 is an apocalyptic number.
18007868545183 is a deficient number, since it is larger than the sum of its proper divisors (1637387643617).
18007868545183 is a wasteful number, since it uses less digits than its factorization.
18007868545183 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25723757.
The product of its (nonzero) digits is 51609600, while the sum is 64.
The spelling of 18007868545183 in words is "eighteen trillion, seven billion, eight hundred sixty-eight million, five hundred forty-five thousand, one hundred eighty-three".
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