Base | Representation |
---|---|
bin | 11010010001101110… |
… | …111001010101011000 |
3 | 2200211100010000112002 |
4 | 122101232321111120 |
5 | 430240441343220 |
6 | 20543420540132 |
7 | 2016121534232 |
oct | 322156712530 |
9 | 80740100462 |
10 | 28214793560 |
11 | 10a69574008 |
12 | 55750b1648 |
13 | 2878584725 |
14 | 1519303252 |
15 | b02043c75 |
hex | 691bb9558 |
28214793560 has 32 divisors (see below), whose sum is σ = 64559278800. Its totient is φ = 11094629760.
The previous prime is 28214793547. The next prime is 28214793601. The reversal of 28214793560 is 6539741282.
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, 5975351 + ... + 5980070.
It is a 1-persistent number, because it is pandigital, but 2⋅28214793560 = 56429587120 is not.
Almost surely, 228214793560 is an apocalyptic number.
28214793560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28214793560 is an abundant number, since it is smaller than the sum of its proper divisors (36344485240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28214793560 is a wasteful number, since it uses less digits than its factorization.
28214793560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11955491 (or 11955487 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 47.
The spelling of 28214793560 in words is "twenty-eight billion, two hundred fourteen million, seven hundred ninety-three thousand, five hundred sixty".
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