Base | Representation |
---|---|
bin | 10110111101010101… |
… | …11011000011101010 |
3 | 1011211000000212211121 |
4 | 23132222323003222 |
5 | 200220341302430 |
6 | 5355023045454 |
7 | 614304651325 |
oct | 133652730352 |
9 | 34730025747 |
10 | 12325728490 |
11 | 5255609279 |
12 | 247ba4088a |
13 | 12157a028a |
14 | 84cdab7bc |
15 | 4c2162a7a |
hex | 2deabb0ea |
12325728490 has 16 divisors (see below), whose sum is σ = 22335215400. Its totient is φ = 4897201600.
The previous prime is 12325728461. The next prime is 12325728517. The reversal of 12325728490 is 9482752321.
It can be written as a sum of positive squares in 4 ways, for example, as 8620936801 + 3704791689 = 92849^2 + 60867^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4134661 + ... + 4137640.
Almost surely, 212325728490 is an apocalyptic number.
12325728490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12325728490 is a deficient number, since it is larger than the sum of its proper divisors (10009486910).
12325728490 is a wasteful number, since it uses less digits than its factorization.
12325728490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8272457.
The product of its (nonzero) digits is 241920, while the sum is 43.
The spelling of 12325728490 in words is "twelve billion, three hundred twenty-five million, seven hundred twenty-eight thousand, four hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •