Base | Representation |
---|---|
bin | 11010001000100100… |
… | …100000001111000000 |
3 | 2200102121212021102200 |
4 | 122020210200033000 |
5 | 424432113334433 |
6 | 20520250113200 |
7 | 2012244124305 |
oct | 321044401700 |
9 | 80377767380 |
10 | 28061074368 |
11 | 1099a821558 |
12 | 553171b800 |
13 | 2852782a22 |
14 | 1502b2b0ac |
15 | ae37cc613 |
hex | 6889203c0 |
28061074368 has 84 divisors (see below), whose sum is σ = 82393828608. Its totient is φ = 9125544960.
The previous prime is 28061074333. The next prime is 28061074373. The reversal of 28061074368 is 86347016082.
28061074368 is a `hidden beast` number, since 28 + 0 + 610 + 7 + 4 + 3 + 6 + 8 = 666.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 570496 + ... + 617727.
It is an arithmetic number, because the mean of its divisors is an integer number (980878912).
Almost surely, 228061074368 is an apocalyptic number.
It is an amenable number.
28061074368 is an abundant number, since it is smaller than the sum of its proper divisors (54332754240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28061074368 is a wasteful number, since it uses less digits than its factorization.
28061074368 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1188282 (or 1188269 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 45.
The spelling of 28061074368 in words is "twenty-eight billion, sixty-one million, seventy-four thousand, three hundred sixty-eight".
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