Base | Representation |
---|---|
bin | 10111110000000010… |
… | …11101010011011000 |
3 | 1012220122101021122212 |
4 | 23320001131103120 |
5 | 202103233110303 |
6 | 5505135334252 |
7 | 630661163330 |
oct | 137001352330 |
9 | 35818337585 |
10 | 12751066328 |
11 | 545370a950 |
12 | 257a381388 |
13 | 1282943780 |
14 | 88d68a0c0 |
15 | 4e967dad8 |
hex | 2f805d4d8 |
12751066328 has 128 divisors (see below), whose sum is σ = 32208261120. Its totient is φ = 4570421760.
The previous prime is 12751066313. The next prime is 12751066333. The reversal of 12751066328 is 82366015721.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2536025 + ... + 2541047.
It is an arithmetic number, because the mean of its divisors is an integer number (251627040).
Almost surely, 212751066328 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 12751066328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16104130560).
12751066328 is an abundant number, since it is smaller than the sum of its proper divisors (19457194792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12751066328 is a wasteful number, since it uses less digits than its factorization.
12751066328 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5377 (or 5373 counting only the distinct ones).
The product of its (nonzero) digits is 120960, while the sum is 41.
The spelling of 12751066328 in words is "twelve billion, seven hundred fifty-one million, sixty-six thousand, three hundred twenty-eight".
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