Base | Representation |
---|---|
bin | 10111001011001101… |
… | …00101010001111110 |
3 | 1012010002212200012111 |
4 | 23211212211101332 |
5 | 200440124444410 |
6 | 5414335524234 |
7 | 620216343346 |
oct | 134546452176 |
9 | 35102780174 |
10 | 12442031230 |
11 | 5305225242 |
12 | 24b298967a |
13 | 1233901375 |
14 | 860603d26 |
15 | 4cc487b8a |
hex | 2e59a547e |
12442031230 has 32 divisors (see below), whose sum is σ = 23832273600. Its totient is φ = 4660508160.
The previous prime is 12442031197. The next prime is 12442031233. The reversal of 12442031230 is 3213024421.
It is a super-2 number, since 2×124420312302 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12442031233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150061 + ... + 217720.
It is an arithmetic number, because the mean of its divisors is an integer number (744758550).
Almost surely, 212442031230 is an apocalyptic number.
12442031230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12442031230 is a deficient number, since it is larger than the sum of its proper divisors (11390242370).
12442031230 is a wasteful number, since it uses less digits than its factorization.
12442031230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 368004.
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 12442031230 its reverse (3213024421), we get a palindrome (15655055651).
The spelling of 12442031230 in words is "twelve billion, four hundred forty-two million, thirty-one thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •