Base | Representation |
---|---|
bin | 111111111000001… |
… | …1111111110001110 |
3 | 12112101020000220010 |
4 | 1333300133332032 |
5 | 13342203422202 |
6 | 552404534050 |
7 | 104054525532 |
oct | 17760377616 |
9 | 5471200803 |
10 | 2143420302 |
11 | 9aa9a5441 |
12 | 4b99b1326 |
13 | 2820b144a |
14 | 16494dbc2 |
15 | c829276c |
hex | 7fc1ff8e |
2143420302 has 8 divisors (see below), whose sum is σ = 4286840616. Its totient is φ = 714473432.
The previous prime is 2143420291. The next prime is 2143420309. The reversal of 2143420302 is 2030243412.
It is a sphenic number, since it is the product of 3 distinct primes.
2143420302 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2143420309) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178618353 + ... + 178618364.
It is an arithmetic number, because the mean of its divisors is an integer number (535855077).
Almost surely, 22143420302 is an apocalyptic number.
2143420302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2143420302 is a wasteful number, since it uses less digits than its factorization.
2143420302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 357236722.
The product of its (nonzero) digits is 1152, while the sum is 21.
The square root of 2143420302 is about 46297.0874029890. The cubic root of 2143420302 is about 1289.3449194852.
Adding to 2143420302 its reverse (2030243412), we get a palindrome (4173663714).
The spelling of 2143420302 in words is "two billion, one hundred forty-three million, four hundred twenty thousand, three hundred two".
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