Base | Representation |
---|---|
bin | 11010001110011111… |
… | …001100100111110000 |
3 | 2200200112122211100022 |
4 | 122032133030213300 |
5 | 430133022042413 |
6 | 20534153543012 |
7 | 2014560665612 |
oct | 321637144760 |
9 | 80615584308 |
10 | 28160346608 |
11 | 10a40866229 |
12 | 555aa14a68 |
13 | 286a2001b4 |
14 | 1511dacdb2 |
15 | aec38b608 |
hex | 68e7cc9f0 |
28160346608 has 20 divisors (see below), whose sum is σ = 56932875408. Its totient is φ = 13467991680.
The previous prime is 28160346607. The next prime is 28160346619. The reversal of 28160346608 is 80664306182.
It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28160346601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38260973 + ... + 38261708.
Almost surely, 228160346608 is an apocalyptic number.
It is an amenable number.
28160346608 is an abundant number, since it is smaller than the sum of its proper divisors (28772528800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28160346608 is a wasteful number, since it uses less digits than its factorization.
28160346608 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76522712 (or 76522706 counting only the distinct ones).
The product of its (nonzero) digits is 331776, while the sum is 44.
The spelling of 28160346608 in words is "twenty-eight billion, one hundred sixty million, three hundred forty-six thousand, six hundred eight".
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