Base | Representation |
---|---|
bin | 101100011010011100… |
… | …001101111100000000 |
3 | 11120002110211211221000 |
4 | 230122130031330000 |
5 | 1240131142314432 |
6 | 33524020332000 |
7 | 3305521252143 |
oct | 543234157400 |
9 | 146073754830 |
10 | 47688244992 |
11 | 19251853323 |
12 | 92aa844000 |
13 | 465cb4025b |
14 | 24456c205a |
15 | 139195057c |
hex | b1a70df00 |
47688244992 has 144 divisors (see below), whose sum is σ = 141959560960. Its totient is φ = 15790464000.
The previous prime is 47688244963. The next prime is 47688244997. The reversal of 47688244992 is 29944288674.
47688244992 is a `hidden beast` number, since 4 + 7 + 68 + 82 + 4 + 499 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47688244997) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1020867 + ... + 1066557.
Almost surely, 247688244992 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47688244992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70979780480).
47688244992 is an abundant number, since it is smaller than the sum of its proper divisors (94271315968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47688244992 is a wasteful number, since it uses less digits than its factorization.
47688244992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45867 (or 45847 counting only the distinct ones).
The product of its digits is 55738368, while the sum is 63.
The spelling of 47688244992 in words is "forty-seven billion, six hundred eighty-eight million, two hundred forty-four thousand, nine hundred ninety-two".
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