Base | Representation |
---|---|
bin | 101010111110110… |
… | …0110010101000110 |
3 | 10201111202220202111 |
4 | 1111331212111012 |
5 | 10423201224032 |
6 | 355035331234 |
7 | 50511410131 |
oct | 12575462506 |
9 | 3644686674 |
10 | 1442211142 |
11 | 6800aa639 |
12 | 342bb0b1a |
13 | 19ca3a898 |
14 | d977d218 |
15 | 86931c47 |
hex | 55f66546 |
1442211142 has 8 divisors (see below), whose sum is σ = 2213626536. Its totient is φ = 704335632.
The previous prime is 1442211119. The next prime is 1442211149. The reversal of 1442211142 is 2411122441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1442211149) 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 3 ways as a sum of consecutive naturals, for example, 8384863 + ... + 8385034.
It is an arithmetic number, because the mean of its divisors is an integer number (276703317).
Almost surely, 21442211142 is an apocalyptic number.
1442211142 is a deficient number, since it is larger than the sum of its proper divisors (771415394).
1442211142 is a wasteful number, since it uses less digits than its factorization.
1442211142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16769942.
The product of its digits is 512, while the sum is 22.
The square root of 1442211142 is about 37976.4551004961. The cubic root of 1442211142 is about 1129.8209291515.
Adding to 1442211142 its reverse (2411122441), we get a palindrome (3853333583).
The spelling of 1442211142 in words is "one billion, four hundred forty-two million, two hundred eleven thousand, one hundred forty-two".
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