Base | Representation |
---|---|
bin | 11010000000110001… |
… | …110101110110111000 |
3 | 2200002111212221112111 |
4 | 122000301311312320 |
5 | 424200132244310 |
6 | 20455300222104 |
7 | 2006066040550 |
oct | 320061656670 |
9 | 80074787474 |
10 | 27930353080 |
11 | 10932a57733 |
12 | 54b599a934 |
13 | 2831673b56 |
14 | 14cd620160 |
15 | ad70aa28a |
hex | 680c75db8 |
27930353080 has 128 divisors (see below), whose sum is σ = 72718663680. Its totient is φ = 9457136640.
The previous prime is 27930353053. The next prime is 27930353089. The reversal of 27930353080 is 8035303972.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27930353089) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8283795 + ... + 8287165.
It is an arithmetic number, because the mean of its divisors is an integer number (568114560).
Almost surely, 227930353080 is an apocalyptic number.
27930353080 is a gapful number since it is divisible by the number (20) 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 27930353080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36359331840).
27930353080 is an abundant number, since it is smaller than the sum of its proper divisors (44788310600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27930353080 is a wasteful number, since it uses less digits than its factorization.
27930353080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3749 (or 3745 counting only the distinct ones).
The product of its (nonzero) digits is 136080, while the sum is 40.
The spelling of 27930353080 in words is "twenty-seven billion, nine hundred thirty million, three hundred fifty-three thousand, eighty".
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