Base | Representation |
---|---|
bin | 111111110010001… |
… | …0011101011010010 |
3 | 12112011012122200100 |
4 | 1333210103223102 |
5 | 13340344133320 |
6 | 552212233230 |
7 | 104015414505 |
oct | 17744235322 |
9 | 5464178610 |
10 | 2140224210 |
11 | 9a9112143 |
12 | 4b890b816 |
13 | 281532777 |
14 | 16435b13c |
15 | c7d60790 |
hex | 7f913ad2 |
2140224210 has 48 divisors (see below), whose sum is σ = 5567514264. Its totient is φ = 570425856.
The previous prime is 2140224209. The next prime is 2140224241. The reversal of 2140224210 is 124220412.
2140224210 is a `hidden beast` number, since 21 + 402 + 242 + 1 + 0 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 1764756081 + 375468129 = 42009^2 + 19377^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204874 + ... + 215066.
Almost surely, 22140224210 is an apocalyptic number.
2140224210 is an abundant number, since it is smaller than the sum of its proper divisors (3427290054).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2140224210 is a wasteful number, since it uses less digits than its factorization.
2140224210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12539 (or 12536 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
The square root of 2140224210 is about 46262.5573223098. The cubic root of 2140224210 is about 1288.7037456709.
Adding to 2140224210 its reverse (124220412), we get a palindrome (2264444622).
The spelling of 2140224210 in words is "two billion, one hundred forty million, two hundred twenty-four thousand, two hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •