Base | Representation |
---|---|
bin | 110010100011110111… |
… | …010100001010000000 |
3 | 12012010110221111021222 |
4 | 302203313110022000 |
5 | 1342140412403430 |
6 | 40535005134212 |
7 | 3631220065022 |
oct | 624367241200 |
9 | 165113844258 |
10 | 54288794240 |
11 | 210296776aa |
12 | a63125a368 |
13 | 51724678b5 |
14 | 28b017c012 |
15 | 162b1639e5 |
hex | ca3dd4280 |
54288794240 has 128 divisors (see below), whose sum is σ = 136745280000. Its totient is φ = 20552970240.
The previous prime is 54288794239. The next prime is 54288794243. The reversal of 54288794240 is 4249788245.
It is a tau number, because it is divible by the number of its divisors (128).
It is not an unprimeable number, because it can be changed into a prime (54288794243) 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, 22628561 + ... + 22630959.
It is an arithmetic number, because the mean of its divisors is an integer number (1068322500).
Almost surely, 254288794240 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 54288794240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68372640000).
54288794240 is an abundant number, since it is smaller than the sum of its proper divisors (82456485760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54288794240 is a wasteful number, since it uses less digits than its factorization.
54288794240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4298 (or 4286 counting only the distinct ones).
The product of its (nonzero) digits is 5160960, while the sum is 53.
The spelling of 54288794240 in words is "fifty-four billion, two hundred eighty-eight million, seven hundred ninety-four thousand, two hundred forty".
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