Base | Representation |
---|---|
bin | 11010011010111101… |
… | …110111101001010000 |
3 | 2201020010121210001200 |
4 | 122122331313221100 |
5 | 431100121314434 |
6 | 21011033231200 |
7 | 2023012405461 |
oct | 323275675120 |
9 | 81203553050 |
10 | 28369713744 |
11 | 11038a66919 |
12 | 55b8b62500 |
13 | 28a16b6c88 |
14 | 1531b0cd68 |
15 | b10946199 |
hex | 69af77a50 |
28369713744 has 30 divisors (see below), whose sum is σ = 79395796506. Its totient is φ = 9456571200.
The previous prime is 28369713683. The next prime is 28369713761. The reversal of 28369713744 is 44731796382.
It can be written as a sum of positive squares in only one way, i.e., 19093712400 + 9276001344 = 138180^2 + 96312^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 98505807 + ... + 98506094.
Almost surely, 228369713744 is an apocalyptic number.
28369713744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
28369713744 is an abundant number, since it is smaller than the sum of its proper divisors (51026082762).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28369713744 is a wasteful number, since it uses less digits than its factorization.
28369713744 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 197011915 (or 197011906 counting only the distinct ones).
The product of its digits is 6096384, while the sum is 54.
The spelling of 28369713744 in words is "twenty-eight billion, three hundred sixty-nine million, seven hundred thirteen thousand, seven hundred forty-four".
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