Base | Representation |
---|---|
bin | 1000010110100101100110… |
… | …11111001111001101001111 |
3 | 2102000222202210222201011112 |
4 | 10023102303133033031033 |
5 | 4401421230103434421 |
6 | 103022135425242235 |
7 | 3604031246240264 |
oct | 413226337171517 |
9 | 72028683881145 |
10 | 18368291468111 |
11 | 5941a487452a2 |
12 | 2087a9379337b |
13 | a3317904cac0 |
14 | 47705c65d26b |
15 | 21cc04b8b45b |
hex | 10b4b37cf34f |
18368291468111 has 8 divisors (see below), whose sum is σ = 19782595491120. Its totient is φ = 16954181520192.
The previous prime is 18368291468081. The next prime is 18368291468147. The reversal of 18368291468111 is 11186419286381.
It is a happy number.
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 18368291468111 - 26 = 18368291468047 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18368291468311) 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, 48322166 + ... + 48700803.
It is an arithmetic number, because the mean of its divisors is an integer number (2472824436390).
Almost surely, 218368291468111 is an apocalyptic number.
18368291468111 is a deficient number, since it is larger than the sum of its proper divisors (1414304023009).
18368291468111 is a wasteful number, since it uses less digits than its factorization.
18368291468111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97037545.
The product of its digits is 3981312, while the sum is 59.
The spelling of 18368291468111 in words is "eighteen trillion, three hundred sixty-eight billion, two hundred ninety-one million, four hundred sixty-eight thousand, one hundred eleven".
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