Base | Representation |
---|---|
bin | 11001011111010101… |
… | …111001000101111000 |
3 | 2121122102022110121220 |
4 | 121133111321011320 |
5 | 422023030100133 |
6 | 20323500432040 |
7 | 1656144606306 |
oct | 313725710570 |
9 | 77572273556 |
10 | 27369378168 |
11 | 10675333a00 |
12 | 5379b48620 |
13 | 2772390132 |
14 | 1478d15276 |
15 | aa2bea5b3 |
hex | 65f579178 |
27369378168 has 96 divisors (see below), whose sum is σ = 75324816000. Its totient is φ = 8281007680.
The previous prime is 27369378031. The next prime is 27369378193. The reversal of 27369378168 is 86187396372.
It is a super-2 number, since 2×273693781682 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1976533 + ... + 1990331.
It is an arithmetic number, because the mean of its divisors is an integer number (784633500).
Almost surely, 227369378168 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 27369378168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37662408000).
27369378168 is an abundant number, since it is smaller than the sum of its proper divisors (47955437832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27369378168 is a wasteful number, since it uses less digits than its factorization.
27369378168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14513 (or 14498 counting only the distinct ones).
The product of its digits is 18289152, while the sum is 60.
The spelling of 27369378168 in words is "twenty-seven billion, three hundred sixty-nine million, three hundred seventy-eight thousand, one hundred sixty-eight".
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