Base | Representation |
---|---|
bin | 101010111110110… |
… | …0111000101000101 |
3 | 10201111210001222020 |
4 | 1111331213011011 |
5 | 10423201323323 |
6 | 355035353353 |
7 | 50511422106 |
oct | 12575470505 |
9 | 3644701866 |
10 | 1442214213 |
11 | 680101980 |
12 | 342bb2859 |
13 | 19ca3c0bb |
14 | d97803ad |
15 | 86932ae3 |
hex | 55f67145 |
1442214213 has 16 divisors (see below), whose sum is σ = 2103499776. Its totient is φ = 871680240.
The previous prime is 1442214211. The next prime is 1442214229. The reversal of 1442214213 is 3124122441.
It is not a de Polignac number, because 1442214213 - 21 = 1442214211 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1442214211) 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 15 ways as a sum of consecutive naturals, for example, 47431 + ... + 71652.
It is an arithmetic number, because the mean of its divisors is an integer number (131468736).
Almost surely, 21442214213 is an apocalyptic number.
It is an amenable number.
1442214213 is a deficient number, since it is larger than the sum of its proper divisors (661285563).
1442214213 is a wasteful number, since it uses less digits than its factorization.
1442214213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119464.
The product of its digits is 1536, while the sum is 24.
The square root of 1442214213 is about 37976.4955334217. The cubic root of 1442214213 is about 1129.8217310863.
Adding to 1442214213 its reverse (3124122441), we get a palindrome (4566336654).
The spelling of 1442214213 in words is "one billion, four hundred forty-two million, two hundred fourteen thousand, two hundred thirteen".
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