Base | Representation |
---|---|
bin | 1100110000011011111100… |
… | …10010110101101011011000 |
3 | 10200022210112110110121200000 |
4 | 12120031332102311223120 |
5 | 12134103110332342343 |
6 | 135355055205013000 |
7 | 5623505230025235 |
oct | 630157622655330 |
9 | 120283473417600 |
10 | 28052550277848 |
11 | 8a36024337868 |
12 | 31909323b4160 |
13 | 12864620cba55 |
14 | 6cda71c0878c |
15 | 339aa04eded3 |
hex | 19837e4b5ad8 |
28052550277848 has 192 divisors, whose sum is σ = 83443300536960. Its totient is φ = 8798790468096.
The previous prime is 28052550277847. The next prime is 28052550277879. The reversal of 28052550277848 is 84877205525082.
28052550277848 is a `hidden beast` number, since 2 + 8 + 0 + 5 + 2 + 550 + 2 + 7 + 78 + 4 + 8 = 666.
It is a super-3 number, since 3×280525502778483 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28052550277847) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 148059511 + ... + 148248857.
It is an arithmetic number, because the mean of its divisors is an integer number (434600523630).
Almost surely, 228052550277848 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 28052550277848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41721650268480).
28052550277848 is an abundant number, since it is smaller than the sum of its proper divisors (55390750259112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28052550277848 is a wasteful number, since it uses less digits than its factorization.
28052550277848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 193868 (or 193852 counting only the distinct ones).
The product of its (nonzero) digits is 100352000, while the sum is 63.
The spelling of 28052550277848 in words is "twenty-eight trillion, fifty-two billion, five hundred fifty million, two hundred seventy-seven thousand, eight hundred forty-eight".
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