Base | Representation |
---|---|
bin | 11001100001001101… |
… | …100100010001100100 |
3 | 2121201121100022221021 |
4 | 121201031210101210 |
5 | 422104043001210 |
6 | 20330541100524 |
7 | 1660005351016 |
oct | 314115442144 |
9 | 77647308837 |
10 | 27400750180 |
11 | 10691011191 |
12 | 5388557744 |
13 | 2778a2575b |
14 | 147d1601b6 |
15 | aa5845bda |
hex | 661364464 |
27400750180 has 48 divisors (see below), whose sum is σ = 58972636800. Its totient is φ = 10687968000.
The previous prime is 27400750171. The next prime is 27400750213. The reversal of 27400750180 is 8105700472.
It is a happy number.
It is a super-2 number, since 2×274007501802 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2085271 + ... + 2098369.
It is an arithmetic number, because the mean of its divisors is an integer number (1228596600).
Almost surely, 227400750180 is an apocalyptic number.
27400750180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27400750180 is an abundant number, since it is smaller than the sum of its proper divisors (31571886620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27400750180 is a wasteful number, since it uses less digits than its factorization.
27400750180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15700 (or 15698 counting only the distinct ones).
The product of its (nonzero) digits is 15680, while the sum is 34.
The spelling of 27400750180 in words is "twenty-seven billion, four hundred million, seven hundred fifty thousand, one hundred eighty".
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