Base | Representation |
---|---|
bin | 101010111110101… |
… | …0110001110000110 |
3 | 10201111122120020122 |
4 | 1111331112032012 |
5 | 10423142121113 |
6 | 355034101542 |
7 | 50511013556 |
oct | 12575261606 |
9 | 3644576218 |
10 | 1442145158 |
11 | 680065003 |
12 | 342b7a8b2 |
13 | 19ca1683c |
14 | d9763166 |
15 | 8691c408 |
hex | 55f56386 |
1442145158 has 16 divisors (see below), whose sum is σ = 2231945280. Its totient is φ = 698508096.
The previous prime is 1442145157. The next prime is 1442145161. The reversal of 1442145158 is 8515412441.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1442145151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77735 + ... + 94482.
It is an arithmetic number, because the mean of its divisors is an integer number (139496580).
Almost surely, 21442145158 is an apocalyptic number.
1442145158 is a deficient number, since it is larger than the sum of its proper divisors (789800122).
1442145158 is a wasteful number, since it uses less digits than its factorization.
1442145158 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172351.
The product of its digits is 25600, while the sum is 35.
The square root of 1442145158 is about 37975.5863417538. The cubic root of 1442145158 is about 1129.8036983779.
Adding to 1442145158 its reverse (8515412441), we get a palindrome (9957557599).
The spelling of 1442145158 in words is "one billion, four hundred forty-two million, one hundred forty-five thousand, one hundred fifty-eight".
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