Base | Representation |
---|---|
bin | 111111111000010… |
… | …1111111000110000 |
3 | 12112101100100022102 |
4 | 1333300233320300 |
5 | 13342213013423 |
6 | 552410155532 |
7 | 104055216554 |
oct | 17760577060 |
9 | 5471310272 |
10 | 2143485488 |
11 | 9aaa3a411 |
12 | 4b9a22ba8 |
13 | 282105011 |
14 | 164969864 |
15 | c82a6c28 |
hex | 7fc2fe30 |
2143485488 has 10 divisors (see below), whose sum is σ = 4153003164. Its totient is φ = 1071742736.
The previous prime is 2143485481. The next prime is 2143485493. The reversal of 2143485488 is 8845843412.
Added to its reverse (8845843412) it gives a square (10989328900 = 1048302).
It is not an unprimeable number, because it can be changed into a prime (2143485481) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66983906 + ... + 66983937.
Almost surely, 22143485488 is an apocalyptic number.
It is an amenable number.
2143485488 is a deficient number, since it is larger than the sum of its proper divisors (2009517676).
2143485488 is a wasteful number, since it uses less digits than its factorization.
2143485488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 133967851 (or 133967845 counting only the distinct ones).
The product of its digits is 983040, while the sum is 47.
The square root of 2143485488 is about 46297.7913944067. The cubic root of 2143485488 is about 1289.3579899325.
Adding to 2143485488 its reverse (8845843412), we get a square (10989328900 = 1048302).
The spelling of 2143485488 in words is "two billion, one hundred forty-three million, four hundred eighty-five thousand, four hundred eighty-eight".
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