Base | Representation |
---|---|
bin | 11010000111110010… |
… | …000001011011110000 |
3 | 2200101200221221200020 |
4 | 122013302001123300 |
5 | 424420221403013 |
6 | 20515054323440 |
7 | 2012023500135 |
oct | 320762013360 |
9 | 80350857606 |
10 | 28047841008 |
11 | 109933030a0 |
12 | 55291b9580 |
13 | 284cacb535 |
14 | 150108458c |
15 | ae2566623 |
hex | 687c816f0 |
28047841008 has 80 divisors (see below), whose sum is σ = 79811486976. Its totient is φ = 8416811520.
The previous prime is 28047841007. The next prime is 28047841013. The reversal of 28047841008 is 80014874082.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28047841001) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203485 + ... + 312252.
Almost surely, 228047841008 is an apocalyptic number.
It is an amenable number.
28047841008 is an abundant number, since it is smaller than the sum of its proper divisors (51763645968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28047841008 is a wasteful number, since it uses less digits than its factorization.
28047841008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 515862 (or 515856 counting only the distinct ones).
The product of its (nonzero) digits is 114688, while the sum is 42.
The spelling of 28047841008 in words is "twenty-eight billion, forty-seven million, eight hundred forty-one thousand, eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •