Base | Representation |
---|---|
bin | 1101001000101100101010… |
… | …10011101111000110011011 |
3 | 10210021111020011022101212211 |
4 | 12210112111103233012123 |
5 | 12241232323432410233 |
6 | 141234041351215551 |
7 | 6040645655106052 |
oct | 644262523570633 |
9 | 123244204271784 |
10 | 28886160044443 |
11 | 9227608314669 |
12 | 32a63b86775b7 |
13 | 1316c5125cb80 |
14 | 71c151b8b399 |
15 | 3515de2aa5cd |
hex | 1a45954ef19b |
28886160044443 has 8 divisors (see below), whose sum is σ = 31695119004528. Its totient is φ = 26161050605664.
The previous prime is 28886160044431. The next prime is 28886160044453. The reversal of 28886160044443 is 34444006168882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28886160044443 - 233 = 28877570109851 is a prime.
It is a super-3 number, since 3×288861600444433 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28886160044453) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20962379605 + ... + 20962380982.
It is an arithmetic number, because the mean of its divisors is an integer number (3961889875566).
Almost surely, 228886160044443 is an apocalyptic number.
28886160044443 is a deficient number, since it is larger than the sum of its proper divisors (2808958960085).
28886160044443 is a wasteful number, since it uses less digits than its factorization.
28886160044443 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41924760653.
The product of its (nonzero) digits is 28311552, while the sum is 58.
The spelling of 28886160044443 in words is "twenty-eight trillion, eight hundred eighty-six billion, one hundred sixty million, forty-four thousand, four hundred forty-three".
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