Base | Representation |
---|---|
bin | 11001111101100000… |
… | …110111000101011000 |
3 | 2122221200210200021211 |
4 | 121331200313011120 |
5 | 424042121220013 |
6 | 20450022112504 |
7 | 2004532302256 |
oct | 317540670530 |
9 | 78850720254 |
10 | 27875570008 |
11 | 1090503a370 |
12 | 549b57b734 |
13 | 2823202630 |
14 | 14c623d5d6 |
15 | ad238823d |
hex | 67d837158 |
27875570008 has 128 divisors (see below), whose sum is σ = 65241288000. Its totient is φ = 10987038720.
The previous prime is 27875569973. The next prime is 27875570011. The reversal of 27875570008 is 80007557872.
It is a happy number.
It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1216158 + ... + 1238866.
Almost surely, 227875570008 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 27875570008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32620644000).
27875570008 is an abundant number, since it is smaller than the sum of its proper divisors (37365717992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27875570008 is a wasteful number, since it uses less digits than its factorization.
27875570008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22805 (or 22801 counting only the distinct ones).
The product of its (nonzero) digits is 1097600, while the sum is 49.
The spelling of 27875570008 in words is "twenty-seven billion, eight hundred seventy-five million, five hundred seventy thousand, eight".
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