Base | Representation |
---|---|
bin | 111111110110011… |
… | …0001011100110001 |
3 | 12112022101101201100 |
4 | 1333230301130301 |
5 | 13341431141223 |
6 | 552331555013 |
7 | 104043316263 |
oct | 17754613461 |
9 | 5468341640 |
10 | 2142443313 |
11 | 9aa39840a |
12 | 4b95bba69 |
13 | 281b2b84a |
14 | 164777b33 |
15 | c814d043 |
hex | 7fb31731 |
2142443313 has 6 divisors (see below), whose sum is σ = 3094640354. Its totient is φ = 1428295536.
The previous prime is 2142443311. The next prime is 2142443357. The reversal of 2142443313 is 3133442412.
2142443313 is a `hidden beast` number, since 214 + 2 + 4 + 433 + 13 = 666.
It can be written as a sum of positive squares in only one way, i.e., 2084561649 + 57881664 = 45657^2 + 7608^2 .
It is not a de Polignac number, because 2142443313 - 21 = 2142443311 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2142443311) 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 5 ways as a sum of consecutive naturals, for example, 119024620 + ... + 119024637.
Almost surely, 22142443313 is an apocalyptic number.
It is an amenable number.
2142443313 is a deficient number, since it is larger than the sum of its proper divisors (952197041).
2142443313 is a wasteful number, since it uses less digits than its factorization.
2142443313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 238049263 (or 238049260 counting only the distinct ones).
The product of its digits is 6912, while the sum is 27.
The square root of 2142443313 is about 46286.5348994716. The cubic root of 2142443313 is about 1289.1489916278.
Adding to 2142443313 its reverse (3133442412), we get a palindrome (5275885725).
Subtracting 2142443313 from its reverse (3133442412), we obtain a palindrome (990999099).
The spelling of 2142443313 in words is "two billion, one hundred forty-two million, four hundred forty-three thousand, three hundred thirteen".
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