Base | Representation |
---|---|
bin | 101010111110100… |
… | …1110011110100011 |
3 | 10201111120221202000 |
4 | 1111331032132203 |
5 | 10423140112233 |
6 | 355033255043 |
7 | 50510522241 |
oct | 12575163643 |
9 | 3644527660 |
10 | 1442113443 |
11 | 6800431a1 |
12 | 342b64483 |
13 | 19ca05284 |
14 | d9755791 |
15 | 86912d13 |
hex | 55f4e7a3 |
1442113443 has 16 divisors (see below), whose sum is σ = 2194208160. Its totient is φ = 935424288.
The previous prime is 1442113429. The next prime is 1442113469. The reversal of 1442113443 is 3443112441.
1442113443 is a `hidden beast` number, since 1 + 4 + 4 + 211 + 3 + 443 = 666.
It is not a de Polignac number, because 1442113443 - 213 = 1442105251 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (1442113843) 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, 720780 + ... + 722777.
It is an arithmetic number, because the mean of its divisors is an integer number (137138010).
Almost surely, 21442113443 is an apocalyptic number.
1442113443 is a deficient number, since it is larger than the sum of its proper divisors (752094717).
1442113443 is a wasteful number, since it uses less digits than its factorization.
1442113443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1443603 (or 1443597 counting only the distinct ones).
The product of its digits is 4608, while the sum is 27.
The square root of 1442113443 is about 37975.1687685519. The cubic root of 1442113443 is about 1129.7954162743.
Adding to 1442113443 its reverse (3443112441), we get a palindrome (4885225884).
The spelling of 1442113443 in words is "one billion, four hundred forty-two million, one hundred thirteen thousand, four hundred forty-three".
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