Base | Representation |
---|---|
bin | 11001111001010011… |
… | …110111000001001111 |
3 | 2122202210010001011001 |
4 | 121321103313001033 |
5 | 423421043144012 |
6 | 20435022441131 |
7 | 2003015023324 |
oct | 317123670117 |
9 | 78683101131 |
10 | 27805053007 |
11 | 10879255956 |
12 | 547ba331a7 |
13 | 28117126b4 |
14 | 14bab24b4b |
15 | acb0a9357 |
hex | 6794f704f |
27805053007 has 4 divisors (see below), whose sum is σ = 28091703136. Its totient is φ = 27518402880.
The previous prime is 27805052969. The next prime is 27805053019. The reversal of 27805053007 is 70035050872.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 27805053007 - 227 = 27670835279 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27805053097) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143324919 + ... + 143325112.
It is an arithmetic number, because the mean of its divisors is an integer number (7022925784).
Almost surely, 227805053007 is an apocalyptic number.
27805053007 is a deficient number, since it is larger than the sum of its proper divisors (286650129).
27805053007 is an equidigital number, since it uses as much as digits as its factorization.
27805053007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 286650128.
The product of its (nonzero) digits is 58800, while the sum is 37.
The spelling of 27805053007 in words is "twenty-seven billion, eight hundred five million, fifty-three thousand, seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •