Base | Representation |
---|---|
bin | 111111110111110… |
… | …1011001110011010 |
3 | 12112100211001112012 |
4 | 1333233223032122 |
5 | 13342130014000 |
6 | 552400145522 |
7 | 104052635615 |
oct | 17757531632 |
9 | 5470731465 |
10 | 2143204250 |
11 | 9aa868090 |
12 | 4b99082a2 |
13 | 282036cc5 |
14 | 1648d517c |
15 | c824d735 |
hex | 7fbeb39a |
2143204250 has 32 divisors (see below), whose sum is σ = 4376818368. Its totient is φ = 779346000.
The previous prime is 2143204201. The next prime is 2143204289. The reversal of 2143204250 is 524023412.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386924 + ... + 392423.
It is an arithmetic number, because the mean of its divisors is an integer number (136775574).
Almost surely, 22143204250 is an apocalyptic number.
2143204250 is an abundant number, since it is smaller than the sum of its proper divisors (2233614118).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2143204250 is a wasteful number, since it uses less digits than its factorization.
2143204250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 779375 (or 779365 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 23.
The square root of 2143204250 is about 46294.7540224592. The cubic root of 2143204250 is about 1289.3015969960.
Adding to 2143204250 its reverse (524023412), we get a palindrome (2667227662).
The spelling of 2143204250 in words is "two billion, one hundred forty-three million, two hundred four thousand, two hundred fifty".
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