Base | Representation |
---|---|
bin | 11010001011001001… |
… | …010000100111000010 |
3 | 2200112122010112122111 |
4 | 122023021100213002 |
5 | 430024142423010 |
6 | 20524431525534 |
7 | 2013310206055 |
oct | 321311204702 |
9 | 80478115574 |
10 | 28104264130 |
11 | 10a12140678 |
12 | 55440898aa |
13 | 285b6c53b7 |
14 | 1508770a9c |
15 | ae74ae58a |
hex | 68b2509c2 |
28104264130 has 8 divisors (see below), whose sum is σ = 50587675452. Its totient is φ = 11241705648.
The previous prime is 28104264109. The next prime is 28104264131. The reversal of 28104264130 is 3146240182.
It can be written as a sum of positive squares in 2 ways, for example, as 26521099609 + 1583164521 = 162853^2 + 39789^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 28104264092 and 28104264101.
It is not an unprimeable number, because it can be changed into a prime (28104264131) 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, 1405213197 + ... + 1405213216.
Almost surely, 228104264130 is an apocalyptic number.
28104264130 is a deficient number, since it is larger than the sum of its proper divisors (22483411322).
28104264130 is a wasteful number, since it uses less digits than its factorization.
28104264130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2810426420.
The product of its (nonzero) digits is 9216, while the sum is 31.
The spelling of 28104264130 in words is "twenty-eight billion, one hundred four million, two hundred sixty-four thousand, one hundred thirty".
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