Base | Representation |
---|---|
bin | 1011010011100101111111… |
… | …1001010111111010100111 |
3 | 1122000102012210011211021111 |
4 | 2310321133321113322213 |
5 | 3112133142010332221 |
6 | 42234500150325451 |
7 | 2422061551335004 |
oct | 264713771277247 |
9 | 48012183154244 |
10 | 12431244230311 |
11 | 3a63074316945 |
12 | 1489312659887 |
13 | 6c235210266a |
14 | 30d9655508ab |
15 | 1685727b8be1 |
hex | b4e5fe57ea7 |
12431244230311 has 8 divisors (see below), whose sum is σ = 12456842688000. Its totient is φ = 12405672016920.
The previous prime is 12431244230291. The next prime is 12431244230329. The reversal of 12431244230311 is 11303244213421.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12431244230311 - 221 = 12431242133159 is a prime.
It is a super-2 number, since 2×124312442303112 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12431244230411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5612611 + ... + 7507588.
It is an arithmetic number, because the mean of its divisors is an integer number (1557105336000).
Almost surely, 212431244230311 is an apocalyptic number.
12431244230311 is a deficient number, since it is larger than the sum of its proper divisors (25598457689).
12431244230311 is a wasteful number, since it uses less digits than its factorization.
12431244230311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13122149.
The product of its (nonzero) digits is 13824, while the sum is 31.
Adding to 12431244230311 its reverse (11303244213421), we get a palindrome (23734488443732).
The spelling of 12431244230311 in words is "twelve trillion, four hundred thirty-one billion, two hundred forty-four million, two hundred thirty thousand, three hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •