Base | Representation |
---|---|
bin | 111111111001101… |
… | …1111000111000001 |
3 | 12112102200210211101 |
4 | 1333303133013001 |
5 | 13342404000301 |
6 | 552433414401 |
7 | 104064266200 |
oct | 17763370701 |
9 | 5472623741 |
10 | 2144203201 |
11 | a0038a668 |
12 | 4ba10a401 |
13 | 2822c68ba |
14 | 164ab5237 |
15 | c8399701 |
hex | 7fcdf1c1 |
2144203201 has 24 divisors (see below), whose sum is σ = 2525129640. Its totient is φ = 1815270912.
The previous prime is 2144203177. The next prime is 2144203261. The reversal of 2144203201 is 1023024412.
It can be written as a sum of positive squares in 4 ways, for example, as 1328529601 + 815673600 = 36449^2 + 28560^2 .
It is not a de Polignac number, because 2144203201 - 215 = 2144170433 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2144203261) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3166875 + ... + 3167551.
It is an arithmetic number, because the mean of its divisors is an integer number (105213735).
Almost surely, 22144203201 is an apocalyptic number.
It is an amenable number.
2144203201 is a deficient number, since it is larger than the sum of its proper divisors (380926439).
2144203201 is a wasteful number, since it uses less digits than its factorization.
2144203201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1393 (or 1386 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 19.
The square root of 2144203201 is about 46305.5417957721. The cubic root of 2144203201 is about 1289.5018810748.
Adding to 2144203201 its reverse (1023024412), we get a palindrome (3167227613).
The spelling of 2144203201 in words is "two billion, one hundred forty-four million, two hundred three thousand, two hundred one".
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