Base | Representation |
---|---|
bin | 101010111111001… |
… | …0000000111100111 |
3 | 10201112002121120002 |
4 | 1111332100013213 |
5 | 10423222213221 |
6 | 355043131515 |
7 | 50513022146 |
oct | 12576200747 |
9 | 3645077502 |
10 | 1442382311 |
11 | 6802071a7 |
12 | 343073b9b |
13 | 19ca9a776 |
14 | d97c575d |
15 | 8696780b |
hex | 55f901e7 |
1442382311 has 4 divisors (see below), whose sum is σ = 1442494800. Its totient is φ = 1442269824.
The previous prime is 1442382301. The next prime is 1442382317. The reversal of 1442382311 is 1132832441.
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.
It is a cyclic number.
It is not a de Polignac number, because 1442382311 - 26 = 1442382247 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 (1442382317) 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, 34106 + ... + 63623.
It is an arithmetic number, because the mean of its divisors is an integer number (360623700).
Almost surely, 21442382311 is an apocalyptic number.
1442382311 is a deficient number, since it is larger than the sum of its proper divisors (112489).
1442382311 is an equidigital number, since it uses as much as digits as its factorization.
1442382311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112488.
The product of its digits is 4608, while the sum is 29.
The square root of 1442382311 is about 37978.7086536654. The cubic root of 1442382311 is about 1129.8656250269.
The spelling of 1442382311 in words is "one billion, four hundred forty-two million, three hundred eighty-two thousand, three hundred eleven".
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