Base | Representation |
---|---|
bin | 11001010101010100… |
… | …000111011111100001 |
3 | 2121012200202010012202 |
4 | 121111110013133201 |
5 | 421201443000310 |
6 | 20255050502545 |
7 | 1652032611134 |
oct | 312524073741 |
9 | 77180663182 |
10 | 27201140705 |
11 | 10599375682 |
12 | 5331734a55 |
13 | 274657713b |
14 | 146084021b |
15 | a930673a5 |
hex | 6555077e1 |
27201140705 has 8 divisors (see below), whose sum is σ = 33523568232. Its totient is φ = 21172779648.
The previous prime is 27201140621. The next prime is 27201140711. The reversal of 27201140705 is 50704110272.
It can be written as a sum of positive squares in 4 ways, for example, as 12879753121 + 14321387584 = 113489^2 + 119672^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 27201140705 - 216 = 27201075169 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73516412 + ... + 73516781.
It is an arithmetic number, because the mean of its divisors is an integer number (4190446029).
Almost surely, 227201140705 is an apocalyptic number.
It is an amenable number.
27201140705 is a deficient number, since it is larger than the sum of its proper divisors (6322427527).
27201140705 is a wasteful number, since it uses less digits than its factorization.
27201140705 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147033235.
The product of its (nonzero) digits is 3920, while the sum is 29.
Adding to 27201140705 its reverse (50704110272), we get a palindrome (77905250977).
The spelling of 27201140705 in words is "twenty-seven billion, two hundred one million, one hundred forty thousand, seven hundred five".
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