Base | Representation |
---|---|
bin | 11010111001000110… |
… | …001010010010110000 |
3 | 2202112100210100000010 |
4 | 122321012022102300 |
5 | 433114023010020 |
6 | 21133131454520 |
7 | 2041361116344 |
oct | 327106122260 |
9 | 82470710003 |
10 | 28875203760 |
11 | 11278332a67 |
12 | 571a2b7440 |
13 | 2952341bb0 |
14 | 157ccd3624 |
15 | b3eee5de0 |
hex | 6b918a4b0 |
28875203760 has 160 divisors (see below), whose sum is σ = 96471325440. Its totient is φ = 7102393344.
The previous prime is 28875203759. The next prime is 28875203771. The reversal of 28875203760 is 6730257882.
It is a Harshad number since it is a multiple of its sum of digits (48).
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, 5572851 + ... + 5578029.
It is an arithmetic number, because the mean of its divisors is an integer number (602945784).
Almost surely, 228875203760 is an apocalyptic number.
28875203760 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 28875203760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48235662720).
28875203760 is an abundant number, since it is smaller than the sum of its proper divisors (67596121680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28875203760 is a wasteful number, since it uses less digits than its factorization.
28875203760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6995 (or 6989 counting only the distinct ones).
The product of its (nonzero) digits is 1128960, while the sum is 48.
The spelling of 28875203760 in words is "twenty-eight billion, eight hundred seventy-five million, two hundred three thousand, seven hundred sixty".
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