Base | Representation |
---|---|
bin | 111111110111111… |
… | …0101000001111011 |
3 | 12112100220002121122 |
4 | 1333233311001323 |
5 | 13342132310121 |
6 | 552401055455 |
7 | 104053163660 |
oct | 17757650173 |
9 | 5470802548 |
10 | 2143244411 |
11 | 9aa895280 |
12 | 4b992758b |
13 | 28204c379 |
14 | 164905a67 |
15 | c825a5ab |
hex | 7fbf507b |
2143244411 has 16 divisors (see below), whose sum is σ = 2709739008. Its totient is φ = 1646534400.
The previous prime is 2143244381. The next prime is 2143244429. The reversal of 2143244411 is 1144423412.
It is not a de Polignac number, because 2143244411 - 210 = 2143243387 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2143244431) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190550 + ... + 201483.
It is an arithmetic number, because the mean of its divisors is an integer number (169358688).
Almost surely, 22143244411 is an apocalyptic number.
2143244411 is a deficient number, since it is larger than the sum of its proper divisors (566494597).
2143244411 is a wasteful number, since it uses less digits than its factorization.
2143244411 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 392122.
The product of its digits is 3072, while the sum is 26.
The square root of 2143244411 is about 46295.1877736769. The cubic root of 2143244411 is about 1289.3096502521.
Adding to 2143244411 its reverse (1144423412), we get a palindrome (3287667823).
The spelling of 2143244411 in words is "two billion, one hundred forty-three million, two hundred forty-four thousand, four hundred eleven".
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