Base | Representation |
---|---|
bin | 11010110001101100… |
… | …101001011101110000 |
3 | 2202012201012221121110 |
4 | 122301230221131300 |
5 | 432340233401214 |
6 | 21112535153320 |
7 | 2035323051426 |
oct | 326154513560 |
9 | 82181187543 |
10 | 28751075184 |
11 | 11214261367 |
12 | 56a4815840 |
13 | 2932700a30 |
14 | 156a621116 |
15 | b34177159 |
hex | 6b1b29770 |
28751075184 has 40 divisors (see below), whose sum is σ = 79986967312. Its totient is φ = 8846484480.
The previous prime is 28751075179. The next prime is 28751075203. The reversal of 28751075184 is 48157015782.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23037097 + ... + 23038344.
Almost surely, 228751075184 is an apocalyptic number.
28751075184 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
28751075184 is an abundant number, since it is smaller than the sum of its proper divisors (51235892128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28751075184 is a wasteful number, since it uses less digits than its factorization.
28751075184 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46075465 (or 46075459 counting only the distinct ones).
The product of its (nonzero) digits is 627200, while the sum is 48.
The spelling of 28751075184 in words is "twenty-eight billion, seven hundred fifty-one million, seventy-five thousand, one hundred eighty-four".
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