Base | Representation |
---|---|
bin | 111111110111110… |
… | …1101011010101110 |
3 | 12112100211111211210 |
4 | 1333233231122232 |
5 | 13342130310410 |
6 | 552400255250 |
7 | 104053004034 |
oct | 17757553256 |
9 | 5470744753 |
10 | 2143213230 |
11 | 9aa873904 |
12 | 4b9911526 |
13 | 28203b112 |
14 | 1648d8554 |
15 | c8251220 |
hex | 7fbed6ae |
2143213230 has 16 divisors (see below), whose sum is σ = 5143711824. Its totient is φ = 571523520.
The previous prime is 2143213211. The next prime is 2143213249. The reversal of 2143213230 is 323123412.
It is an interprime number because it is at equal distance from previous prime (2143213211) and next prime (2143213249).
It is a junction number, because it is equal to n+sod(n) for n = 2143213197 and 2143213206.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35720191 + ... + 35720250.
It is an arithmetic number, because the mean of its divisors is an integer number (321481989).
Almost surely, 22143213230 is an apocalyptic number.
2143213230 is an abundant number, since it is smaller than the sum of its proper divisors (3000498594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2143213230 is a wasteful number, since it uses less digits than its factorization.
2143213230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71440451.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 2143213230 is about 46294.8510095885. The cubic root of 2143213230 is about 1289.3033977129.
Adding to 2143213230 its reverse (323123412), we get a palindrome (2466336642).
The spelling of 2143213230 in words is "two billion, one hundred forty-three million, two hundred thirteen thousand, two hundred thirty".
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