Base | Representation |
---|---|
bin | 11010001000001101… |
… | …011011011001100111 |
3 | 2200102012110221121110 |
4 | 122020031123121213 |
5 | 424424041302010 |
6 | 20515512320103 |
7 | 2012141531355 |
oct | 321015333147 |
9 | 80365427543 |
10 | 28055025255 |
11 | 1099736a794 |
12 | 552b6a3033 |
13 | 285144557a |
14 | 1501dd47d5 |
15 | ae2ed5120 |
hex | 68835b667 |
28055025255 has 16 divisors (see below), whose sum is σ = 45100785024. Its totient is φ = 14891765280.
The previous prime is 28055025253. The next prime is 28055025287. The reversal of 28055025255 is 55252055082.
It is not a de Polignac number, because 28055025255 - 21 = 28055025253 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28055025253) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4428909 + ... + 4435238.
It is an arithmetic number, because the mean of its divisors is an integer number (2818799064).
Almost surely, 228055025255 is an apocalyptic number.
28055025255 is a deficient number, since it is larger than the sum of its proper divisors (17045759769).
28055025255 is a wasteful number, since it uses less digits than its factorization.
28055025255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8864366.
The product of its (nonzero) digits is 200000, while the sum is 39.
The spelling of 28055025255 in words is "twenty-eight billion, fifty-five million, twenty-five thousand, two hundred fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •