Base | Representation |
---|---|
bin | 111111110111110… |
… | …1100101011111000 |
3 | 12112100211100201202 |
4 | 1333233230223320 |
5 | 13342130211412 |
6 | 552400233332 |
7 | 104052662222 |
oct | 17757545370 |
9 | 5470740652 |
10 | 2143210232 |
11 | 9aa871629 |
12 | 4b990b848 |
13 | 282039947 |
14 | 1648d7412 |
15 | c82503c2 |
hex | 7fbecaf8 |
2143210232 has 8 divisors (see below), whose sum is σ = 4018519200. Its totient is φ = 1071605112.
The previous prime is 2143210231. The next prime is 2143210249. The reversal of 2143210232 is 2320123412.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2143210231) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133950632 + ... + 133950647.
It is an arithmetic number, because the mean of its divisors is an integer number (502314900).
Almost surely, 22143210232 is an apocalyptic number.
It is an amenable number.
2143210232 is a deficient number, since it is larger than the sum of its proper divisors (1875308968).
2143210232 is a wasteful number, since it uses less digits than its factorization.
2143210232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 267901285 (or 267901281 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 2143210232 is about 46294.8186301664. The cubic root of 2143210232 is about 1289.3027965387.
Adding to 2143210232 its reverse (2320123412), we get a palindrome (4463333644).
The spelling of 2143210232 in words is "two billion, one hundred forty-three million, two hundred ten thousand, two hundred thirty-two".
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