Base | Representation |
---|---|
bin | 101010111110110… |
… | …0111000110100111 |
3 | 10201111210002002212 |
4 | 1111331213012213 |
5 | 10423201324221 |
6 | 355035354035 |
7 | 50511422306 |
oct | 12575470647 |
9 | 3644702085 |
10 | 1442214311 |
11 | 680101a5a |
12 | 342bb291b |
13 | 19ca3c165 |
14 | d978043d |
15 | 86932b5b |
hex | 55f671a7 |
1442214311 has 4 divisors (see below), whose sum is σ = 1442290992. Its totient is φ = 1442137632.
The previous prime is 1442214307. The next prime is 1442214337. The reversal of 1442214311 is 1134122441.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1134122441 = 8783 ⋅129127.
It is a cyclic number.
It is not a de Polignac number, because 1442214311 - 22 = 1442214307 is a prime.
It is a Duffinian 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 (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11270 + ... + 54876.
It is an arithmetic number, because the mean of its divisors is an integer number (360572748).
Almost surely, 21442214311 is an apocalyptic number.
1442214311 is a deficient number, since it is larger than the sum of its proper divisors (76681).
1442214311 is an equidigital number, since it uses as much as digits as its factorization.
1442214311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76680.
The product of its digits is 768, while the sum is 23.
The square root of 1442214311 is about 37976.4968236935. The cubic root of 1442214311 is about 1129.8217566771.
Adding to 1442214311 its reverse (1134122441), we get a palindrome (2576336752).
The spelling of 1442214311 in words is "one billion, four hundred forty-two million, two hundred fourteen thousand, three hundred eleven".
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