Base | Representation |
---|---|
bin | 111111111001110… |
… | …0001011000011010 |
3 | 12112102201021121000 |
4 | 1333303201120122 |
5 | 13342404300011 |
6 | 552433525430 |
7 | 104064335262 |
oct | 17763413032 |
9 | 5472637530 |
10 | 2144212506 |
11 | a00396657 |
12 | 4ba113876 |
13 | 2822cabc7 |
14 | 164ab87a2 |
15 | c839c356 |
hex | 7fce161a |
2144212506 has 32 divisors (see below), whose sum is σ = 4881139200. Its totient is φ = 697304160.
The previous prime is 2144212489. The next prime is 2144212519. The reversal of 2144212506 is 6052124412.
2144212506 is a `hidden beast` number, since 2 + 144 + 2 + 12 + 506 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 2144212506.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482026 + ... + 486453.
It is an arithmetic number, because the mean of its divisors is an integer number (152535600).
Almost surely, 22144212506 is an apocalyptic number.
2144212506 is an abundant number, since it is smaller than the sum of its proper divisors (2736926694).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2144212506 is a wasteful number, since it uses less digits than its factorization.
2144212506 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 968531 (or 968525 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
The square root of 2144212506 is about 46305.6422695982. The cubic root of 2144212506 is about 1289.5037463827.
Adding to 2144212506 its reverse (6052124412), we get a palindrome (8196336918).
The spelling of 2144212506 in words is "two billion, one hundred forty-four million, two hundred twelve thousand, five hundred six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •