Base | Representation |
---|---|
bin | 1000010111111111111001… |
… | …11100001100000001010100 |
3 | 2102012121220020221202010020 |
4 | 10023333330330030001110 |
5 | 4403220020204344020 |
6 | 103100314023025140 |
7 | 3610365455532150 |
oct | 413777474140124 |
9 | 72177806852106 |
10 | 18416768434260 |
11 | 5960564725489 |
12 | 209536259b1b0 |
13 | a379033c4261 |
14 | 47953a9b2060 |
15 | 21e0e0986c40 |
hex | 10bffcf0c054 |
18416768434260 has 48 divisors (see below), whose sum is σ = 58933658990976. Its totient is φ = 4209547070592.
The previous prime is 18416768434231. The next prime is 18416768434283. The reversal of 18416768434260 is 6243486761481.
It is a super-2 number, since 2×184167684342602 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (60).
It is a junction number, because it is equal to n+sod(n) for n = 18416768434194 and 18416768434203.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21924723907 + ... + 21924724746.
It is an arithmetic number, because the mean of its divisors is an integer number (1227784562312).
Almost surely, 218416768434260 is an apocalyptic number.
18416768434260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18416768434260 is an abundant number, since it is smaller than the sum of its proper divisors (40516890556716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18416768434260 is a wasteful number, since it uses less digits than its factorization.
18416768434260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43849448672 (or 43849448670 counting only the distinct ones).
The product of its (nonzero) digits is 37158912, while the sum is 60.
The spelling of 18416768434260 in words is "eighteen trillion, four hundred sixteen billion, seven hundred sixty-eight million, four hundred thirty-four thousand, two hundred sixty".
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