Base | Representation |
---|---|
bin | 11010110101011110… |
… | …001101101010100101 |
3 | 2202101010101012011010 |
4 | 122311132031222211 |
5 | 433002441301130 |
6 | 21123120332433 |
7 | 2040022234365 |
oct | 326536155245 |
9 | 82333335133 |
10 | 28814400165 |
11 | 11246a83361 |
12 | 5701a74119 |
13 | 2942873235 |
14 | 1574bc69a5 |
15 | b399d50b0 |
hex | 6b578daa5 |
28814400165 has 8 divisors (see below), whose sum is σ = 46103040288. Its totient is φ = 15367680080.
The previous prime is 28814400151. The next prime is 28814400169. The reversal of 28814400165 is 56100441882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28814400165 - 25 = 28814400133 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28814400169) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 960479991 + ... + 960480020.
It is an arithmetic number, because the mean of its divisors is an integer number (5762880036).
Almost surely, 228814400165 is an apocalyptic number.
It is an amenable number.
28814400165 is a deficient number, since it is larger than the sum of its proper divisors (17288640123).
28814400165 is a wasteful number, since it uses less digits than its factorization.
28814400165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1920960019.
The product of its (nonzero) digits is 61440, while the sum is 39.
The spelling of 28814400165 in words is "twenty-eight billion, eight hundred fourteen million, four hundred thousand, one hundred sixty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.101 sec. • engine limits •