Base | Representation |
---|---|
bin | 11010000101100011… |
… | …000100110101000000 |
3 | 2200022002110010210220 |
4 | 122011203010311000 |
5 | 424331123241240 |
6 | 20511235223040 |
7 | 2011060126254 |
oct | 320543046500 |
9 | 80262403726 |
10 | 28010368320 |
11 | 10974139330 |
12 | 5518747a80 |
13 | 284510b14c |
14 | 14da0cc264 |
15 | ade1135d0 |
hex | 6858c4d40 |
28010368320 has 224 divisors, whose sum is σ = 97404667776. Its totient is φ = 6763315200.
The previous prime is 28010368307. The next prime is 28010368357. The reversal of 28010368320 is 2386301082.
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2708760 + ... + 2719080.
Almost surely, 228010368320 is an apocalyptic number.
28010368320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28010368320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48702333888).
28010368320 is an abundant number, since it is smaller than the sum of its proper divisors (69394299456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28010368320 is a wasteful number, since it uses less digits than its factorization.
28010368320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10609 (or 10599 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 33.
The spelling of 28010368320 in words is "twenty-eight billion, ten million, three hundred sixty-eight thousand, three hundred twenty".
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