Base | Representation |
---|---|
bin | 111111111001110… |
… | …0011100001111110 |
3 | 12112102201201200002 |
4 | 1333303203201332 |
5 | 13342410040220 |
6 | 552434034302 |
7 | 104064403040 |
oct | 17763434176 |
9 | 5472651602 |
10 | 2144221310 |
11 | a003a2230 |
12 | 4ba118992 |
13 | 282301c0a |
14 | 164abba90 |
15 | c839ec75 |
hex | 7fce387e |
2144221310 has 128 divisors (see below), whose sum is σ = 4956733440. Its totient is φ = 648489600.
The previous prime is 2144221297. The next prime is 2144221351. The reversal of 2144221310 is 131224412.
It is a super-2 number, since 2×21442213102 = 9195370052516232200, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6477845 + ... + 6478175.
It is an arithmetic number, because the mean of its divisors is an integer number (38724480).
Almost surely, 22144221310 is an apocalyptic number.
2144221310 is an abundant number, since it is smaller than the sum of its proper divisors (2812512130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2144221310 is a wasteful number, since it uses less digits than its factorization.
2144221310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 582.
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 2144221310 is about 46305.7373335098. The cubic root of 2144221310 is about 1289.5055112537.
Adding to 2144221310 its reverse (131224412), we get a palindrome (2275445722).
The spelling of 2144221310 in words is "two billion, one hundred forty-four million, two hundred twenty-one thousand, three hundred ten".
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