Base | Representation |
---|---|
bin | 10001100011011100… |
… | …100011000111110100 |
3 | 1210122120101201101010 |
4 | 101203130203013310 |
5 | 302100131004320 |
6 | 12354144232220 |
7 | 1235035612356 |
oct | 214334430764 |
9 | 53576351333 |
10 | 18848297460 |
11 | 7aa2410943 |
12 | 37a030b670 |
13 | 1a14bc3945 |
14 | cab3690d6 |
15 | 754ac0ae0 |
hex | 4637231f4 |
18848297460 has 96 divisors (see below), whose sum is σ = 56000730240. Its totient is φ = 4720304128.
The previous prime is 18848297453. The next prime is 18848297551. The reversal of 18848297460 is 6479284881.
It is a self number, because there is not a number n which added to its sum of digits gives 18848297460.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 456556 + ... + 496124.
It is an arithmetic number, because the mean of its divisors is an integer number (583340940).
Almost surely, 218848297460 is an apocalyptic number.
18848297460 is a gapful number since it is divisible by the number (10) 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 18848297460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28000365120).
18848297460 is an abundant number, since it is smaller than the sum of its proper divisors (37152432780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18848297460 is a wasteful number, since it uses less digits than its factorization.
18848297460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40065 (or 40063 counting only the distinct ones).
The product of its (nonzero) digits is 6193152, while the sum is 57.
The spelling of 18848297460 in words is "eighteen billion, eight hundred forty-eight million, two hundred ninety-seven thousand, four hundred sixty".
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