Base | Representation |
---|---|
bin | 1000001111111110110101… |
… | …00110011001000000000101 |
3 | 2101020021220101120100202220 |
4 | 10013333122212121000011 |
5 | 4334211402440403343 |
6 | 102330001010522553 |
7 | 3551444453010000 |
oct | 407773246310005 |
9 | 71207811510686 |
10 | 18141314387973 |
11 | 5864763035547 |
12 | 204baa9596459 |
13 | a17945a1651a |
14 | 46a0897c4537 |
15 | 216d6d1ad183 |
hex | 107fda999005 |
18141314387973 has 80 divisors (see below), whose sum is σ = 30256253210880. Its totient is φ = 9633165954048.
The previous prime is 18141314387957. The next prime is 18141314388019. The reversal of 18141314387973 is 37978341314181.
It is not a de Polignac number, because 18141314387973 - 24 = 18141314387957 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18141314307973) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8735961 + ... + 10611297.
It is an arithmetic number, because the mean of its divisors is an integer number (378203165136).
Almost surely, 218141314387973 is an apocalyptic number.
It is an amenable number.
18141314387973 is a deficient number, since it is larger than the sum of its proper divisors (12114938822907).
18141314387973 is an equidigital number, since it uses as much as digits as its factorization.
18141314387973 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1875464 (or 1875443 counting only the distinct ones).
The product of its digits is 12192768, while the sum is 60.
The spelling of 18141314387973 in words is "eighteen trillion, one hundred forty-one billion, three hundred fourteen million, three hundred eighty-seven thousand, nine hundred seventy-three".
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