Base | Representation |
---|---|
bin | 1000010011111011… |
… | …0000101110111101 |
3 | 12202111002211110021 |
4 | 2010332300232331 |
5 | 14032121420203 |
6 | 1005215012141 |
7 | 106200366346 |
oct | 20476605675 |
9 | 5674084407 |
10 | 2231045053 |
11 | a45404196 |
12 | 52320a051 |
13 | 2972b1203 |
14 | 17243d0cd |
15 | d0d005bd |
hex | 84fb0bbd |
2231045053 has 12 divisors (see below), whose sum is σ = 2318241364. Its totient is φ = 2146694400.
The previous prime is 2231045029. The next prime is 2231045087. The reversal of 2231045053 is 3505401322.
It can be written as a sum of positive squares in 6 ways, for example, as 135419769 + 2095625284 = 11637^2 + 45778^2 .
It is not a de Polignac number, because 2231045053 - 225 = 2197490621 is a prime.
It is a super-5 number, since 5×22310450535 (a number of 48 digits) contains 55555 as substring. Note that it is a super-d number also for d = 3.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2231045353) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113623 + ... + 131803.
Almost surely, 22231045053 is an apocalyptic number.
It is an amenable number.
2231045053 is a deficient number, since it is larger than the sum of its proper divisors (87196311).
2231045053 is an equidigital number, since it uses as much as digits as its factorization.
2231045053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18336 (or 18295 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 25.
The square root of 2231045053 is about 47233.9396303124. The cubic root of 2231045053 is about 1306.6806105849.
Adding to 2231045053 its reverse (3505401322), we get a palindrome (5736446375).
The spelling of 2231045053 in words is "two billion, two hundred thirty-one million, forty-five thousand, fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.107 sec. • engine limits •