Base | Representation |
---|---|
bin | 11001010100000100… |
… | …110011001100000000 |
3 | 2121011020121202012111 |
4 | 121110010303030000 |
5 | 421131132120120 |
6 | 20253025105104 |
7 | 1651361101360 |
oct | 312404631400 |
9 | 77136552174 |
10 | 27180348160 |
11 | 10588663959 |
12 | 5326788194 |
13 | 2742177064 |
14 | 145bb8a9a0 |
15 | a9130b75a |
hex | 654133300 |
27180348160 has 576 divisors, whose sum is σ = 82885017600. Its totient is φ = 8332886016.
The previous prime is 27180348109. The next prime is 27180348193. The reversal of 27180348160 is 6184308172.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 344055001 + ... + 344055079.
It is an arithmetic number, because the mean of its divisors is an integer number (143897600).
Almost surely, 227180348160 is an apocalyptic number.
27180348160 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 27180348160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41442508800).
27180348160 is an abundant number, since it is smaller than the sum of its proper divisors (55704669440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27180348160 is a wasteful number, since it uses less digits than its factorization.
27180348160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 216 (or 202 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 40.
The spelling of 27180348160 in words is "twenty-seven billion, one hundred eighty million, three hundred forty-eight thousand, one hundred sixty".
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