Base | Representation |
---|---|
bin | 11001011011110100… |
… | …001111100011011100 |
3 | 2121111022000012121002 |
4 | 121123310033203130 |
5 | 421412404210003 |
6 | 20313544525432 |
7 | 1654526042030 |
oct | 313364174334 |
9 | 77438005532 |
10 | 27310225628 |
11 | 10644a01804 |
12 | 5362180878 |
13 | 276304bb2a |
14 | 14711181c0 |
15 | a9c913a88 |
hex | 65bd0f8dc |
27310225628 has 48 divisors (see below), whose sum is σ = 55896873984. Its totient is φ = 11432815680.
The previous prime is 27310225627. The next prime is 27310225633. The reversal of 27310225628 is 82652201372.
It is a junction number, because it is equal to n+sod(n) for n = 27310225591 and 27310225600.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27310225627) 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, 296333 + ... + 377403.
It is an arithmetic number, because the mean of its divisors is an integer number (1164518208).
Almost surely, 227310225628 is an apocalyptic number.
27310225628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 27310225628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27948436992).
27310225628 is an abundant number, since it is smaller than the sum of its proper divisors (28586648356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27310225628 is a wasteful number, since it uses less digits than its factorization.
27310225628 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81362 (or 81360 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 38.
The spelling of 27310225628 in words is "twenty-seven billion, three hundred ten million, two hundred twenty-five thousand, six hundred twenty-eight".
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