Base | Representation |
---|---|
bin | 10001100000010000… |
… | …111111101011111100 |
3 | 1210111211222201200220 |
4 | 101200100333223330 |
5 | 301443000441314 |
6 | 12345000421340 |
7 | 1233520220640 |
oct | 214020775374 |
9 | 53454881626 |
10 | 18794937084 |
11 | 7a75285460 |
12 | 3786477850 |
13 | 1a06b2cb61 |
14 | ca4238c20 |
15 | 7500803a9 |
hex | 46043fafc |
18794937084 has 192 divisors, whose sum is σ = 55691919360. Its totient is φ = 4791870720.
The previous prime is 18794937017. The next prime is 18794937121. The reversal of 18794937084 is 48073949781.
It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14379559 + ... + 14380865.
It is an arithmetic number, because the mean of its divisors is an integer number (290062080).
Almost surely, 218794937084 is an apocalyptic number.
18794937084 is a gapful number since it is divisible by the number (14) 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 18794937084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27845959680).
18794937084 is an abundant number, since it is smaller than the sum of its proper divisors (36896982276).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18794937084 is a wasteful number, since it uses less digits than its factorization.
18794937084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1608 (or 1606 counting only the distinct ones).
The product of its (nonzero) digits is 12192768, while the sum is 60.
The spelling of 18794937084 in words is "eighteen billion, seven hundred ninety-four million, nine hundred thirty-seven thousand, eighty-four".
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