Base | Representation |
---|---|
bin | 111111111001111… |
… | …1001101011110100 |
3 | 12112102220100010220 |
4 | 1333303321223310 |
5 | 13342420441202 |
6 | 552440014340 |
7 | 104065231431 |
oct | 17763715364 |
9 | 5472810126 |
10 | 2144312052 |
11 | a00454423 |
12 | 4ba1613b0 |
13 | 2823342cc |
14 | 164b02b88 |
15 | c83bbabc |
hex | 7fcf9af4 |
2144312052 has 12 divisors (see below), whose sum is σ = 5003394816. Its totient is φ = 714770680.
The previous prime is 2144312047. The next prime is 2144312111. The reversal of 2144312052 is 2502134412.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89346324 + ... + 89346347.
It is an arithmetic number, because the mean of its divisors is an integer number (416949568).
Almost surely, 22144312052 is an apocalyptic number.
It is an amenable number.
2144312052 is an abundant number, since it is smaller than the sum of its proper divisors (2859082764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2144312052 is a wasteful number, since it uses less digits than its factorization.
2144312052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 178692678 (or 178692676 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 2144312052 is about 46306.7171369338. The cubic root of 2144312052 is about 1289.5237013317.
Adding to 2144312052 its reverse (2502134412), we get a palindrome (4646446464).
The spelling of 2144312052 in words is "two billion, one hundred forty-four million, three hundred twelve thousand, fifty-two".
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