Base | Representation |
---|---|
bin | 10001010011110011… |
… | …011000100100110000 |
3 | 1202222021112220112220 |
4 | 101103303120210300 |
5 | 301030434114422 |
6 | 12312131121040 |
7 | 1225401050046 |
oct | 212363304460 |
9 | 52867486486 |
10 | 18585848112 |
11 | 7978254857 |
12 | 3728443180 |
13 | 19a2712880 |
14 | c8456c396 |
15 | 73ba2ce5c |
hex | 453cd8930 |
18585848112 has 160 divisors (see below), whose sum is σ = 52429977600. Its totient is φ = 5639279616.
The previous prime is 18585848063. The next prime is 18585848117. The reversal of 18585848112 is 21184858581.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (18585848117) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17887689 + ... + 17888727.
It is an arithmetic number, because the mean of its divisors is an integer number (327687360).
Almost surely, 218585848112 is an apocalyptic number.
18585848112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18585848112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26214988800).
18585848112 is an abundant number, since it is smaller than the sum of its proper divisors (33844129488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18585848112 is a wasteful number, since it uses less digits than its factorization.
18585848112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1435 (or 1429 counting only the distinct ones).
The product of its digits is 819200, while the sum is 51.
The spelling of 18585848112 in words is "eighteen billion, five hundred eighty-five million, eight hundred forty-eight thousand, one hundred twelve".
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