Base | Representation |
---|---|
bin | 10111001000110000… |
… | …00010011110001110 |
3 | 1012001200010121022000 |
4 | 23210120002132032 |
5 | 200414342111142 |
6 | 5412322333130 |
7 | 616546336635 |
oct | 134430023616 |
9 | 35050117260 |
10 | 12421441422 |
11 | 52a4641875 |
12 | 24a7aba1a6 |
13 | 122c572650 |
14 | 85b9a451c |
15 | 4ca76c14c |
hex | 2e460278e |
12421441422 has 64 divisors (see below), whose sum is σ = 29750656320. Its totient is φ = 3818880000.
The previous prime is 12421441411. The next prime is 12421441423. The reversal of 12421441422 is 22414412421.
12421441422 is a `hidden beast` number, since 1 + 24 + 214 + 4 + 1 + 422 = 666.
It is a super-3 number, since 3×124214414223 (a number of 31 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12421441423) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 948922 + ... + 961922.
It is an arithmetic number, because the mean of its divisors is an integer number (464854005).
Almost surely, 212421441422 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12421441422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14875328160).
12421441422 is an abundant number, since it is smaller than the sum of its proper divisors (17329214898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12421441422 is a wasteful number, since it uses less digits than its factorization.
12421441422 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14386 (or 14380 counting only the distinct ones).
The product of its digits is 4096, while the sum is 27.
Adding to 12421441422 its reverse (22414412421), we get a palindrome (34835853843).
The spelling of 12421441422 in words is "twelve billion, four hundred twenty-one million, four hundred forty-one thousand, four hundred twenty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •