Base | Representation |
---|---|
bin | 11010110010010000… |
… | …001011101011000111 |
3 | 2202020100202012121100 |
4 | 122302100023223013 |
5 | 432400124442333 |
6 | 21113510551143 |
7 | 2035465166346 |
oct | 326220135307 |
9 | 82210665540 |
10 | 28760390343 |
11 | 11219543a43 |
12 | 56a79684b3 |
13 | 2934612969 |
14 | 156b967b5d |
15 | b34db7213 |
hex | 6b240bac7 |
28760390343 has 12 divisors (see below), whose sum is σ = 41689584040. Its totient is φ = 19105840656.
The previous prime is 28760390333. The next prime is 28760390369. The reversal of 28760390343 is 34309306782.
28760390343 is a `hidden beast` number, since 2 + 8 + 7 + 603 + 9 + 0 + 34 + 3 = 666.
It is not a de Polignac number, because 28760390343 - 212 = 28760386247 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28760390333) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5643388 + ... + 5648481.
Almost surely, 228760390343 is an apocalyptic number.
28760390343 is a deficient number, since it is larger than the sum of its proper divisors (12929193697).
28760390343 is a wasteful number, since it uses less digits than its factorization.
28760390343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11292158 (or 11292155 counting only the distinct ones).
The product of its (nonzero) digits is 653184, while the sum is 45.
The spelling of 28760390343 in words is "twenty-eight billion, seven hundred sixty million, three hundred ninety thousand, three hundred forty-three".
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