Base | Representation |
---|---|
bin | 11010011110001110… |
… | …011001000110101110 |
3 | 2201100221110221121110 |
4 | 122132032121012232 |
5 | 431203120024000 |
6 | 21020305012450 |
7 | 2024245134030 |
oct | 323616310656 |
9 | 81327427543 |
10 | 28424376750 |
11 | 11066901a60 |
12 | 5613324126 |
13 | 28acb15953 |
14 | 153909bc50 |
15 | b15642850 |
hex | 69e3991ae |
28424376750 has 256 divisors, whose sum is σ = 88780603392. Its totient is φ = 5884560000.
The previous prime is 28424376727. The next prime is 28424376781. The reversal of 28424376750 is 5767342482.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 28424376750.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 19114507 + ... + 19115993.
It is an arithmetic number, because the mean of its divisors is an integer number (346799232).
Almost surely, 228424376750 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28424376750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44390301696).
28424376750 is an abundant number, since it is smaller than the sum of its proper divisors (60356226642).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28424376750 is a wasteful number, since it uses less digits than its factorization.
28424376750 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1856 (or 1846 counting only the distinct ones).
The product of its (nonzero) digits is 2257920, while the sum is 48.
The spelling of 28424376750 in words is "twenty-eight billion, four hundred twenty-four million, three hundred seventy-six thousand, seven hundred fifty".
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