Base | Representation |
---|---|
bin | 111111100001010… |
… | …1010101000000010 |
3 | 12111112121121102120 |
4 | 1333002222220002 |
5 | 13331114432224 |
6 | 551255225110 |
7 | 103550434443 |
oct | 17702525002 |
9 | 5445547376 |
10 | 2131405314 |
11 | 9a41393a5 |
12 | 4b5978196 |
13 | 27c76569c |
14 | 1631032ca |
15 | c71bc779 |
hex | 7f0aaa02 |
2131405314 has 16 divisors (see below), whose sum is σ = 4267230528. Its totient is φ = 709731792.
The previous prime is 2131405301. The next prime is 2131405319. The reversal of 2131405314 is 4135041312.
It is a happy number.
It is a super-2 number, since 2×21314053142 = 9085777225094877192, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2131405319) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177877 + ... + 189480.
It is an arithmetic number, because the mean of its divisors is an integer number (266701908).
Almost surely, 22131405314 is an apocalyptic number.
2131405314 is an abundant number, since it is smaller than the sum of its proper divisors (2135825214).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2131405314 is a wasteful number, since it uses less digits than its factorization.
2131405314 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 368329.
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 2131405314 is about 46167.1453958332. The cubic root of 2131405314 is about 1286.9312537953.
Adding to 2131405314 its reverse (4135041312), we get a palindrome (6266446626).
The spelling of 2131405314 in words is "two billion, one hundred thirty-one million, four hundred five thousand, three hundred fourteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •