Base | Representation |
---|---|
bin | 11010001001100000… |
… | …000011010010100010 |
3 | 2200110201020100102212 |
4 | 122021200003102202 |
5 | 430000112400300 |
6 | 20522004442122 |
7 | 2012523610613 |
oct | 321140032242 |
9 | 80421210385 |
10 | 28076684450 |
11 | 109a8613651 |
12 | 55369a9342 |
13 | 2855a89c69 |
14 | 1504c31c0a |
15 | ae4d62935 |
hex | 6898034a2 |
28076684450 has 48 divisors (see below), whose sum is σ = 53470687776. Its totient is φ = 10962604800.
The previous prime is 28076684443. The next prime is 28076684459. The reversal of 28076684450 is 5448667082.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (50).
It is not an unprimeable number, because it can be changed into a prime (28076684459) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4643129 + ... + 4649171.
It is an arithmetic number, because the mean of its divisors is an integer number (1113972662).
Almost surely, 228076684450 is an apocalyptic number.
28076684450 is a deficient number, since it is larger than the sum of its proper divisors (25394003326).
28076684450 is a wasteful number, since it uses less digits than its factorization.
28076684450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8259 (or 8254 counting only the distinct ones).
The product of its (nonzero) digits is 2580480, while the sum is 50.
The spelling of 28076684450 in words is "twenty-eight billion, seventy-six million, six hundred eighty-four thousand, four hundred fifty".
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