Base | Representation |
---|---|
bin | 111111111001110… |
… | …0101111100101100 |
3 | 12112102202020020211 |
4 | 1333303211330230 |
5 | 13342410344322 |
6 | 552434152204 |
7 | 104064443644 |
oct | 17763457454 |
9 | 5472666224 |
10 | 2144231212 |
11 | a003a9712 |
12 | 4ba122664 |
13 | 282306586 |
14 | 164ac1524 |
15 | c83a2b77 |
hex | 7fce5f2c |
2144231212 has 24 divisors (see below), whose sum is σ = 3954337632. Its totient is φ = 1015344000.
The previous prime is 2144231209. The next prime is 2144231303. The reversal of 2144231212 is 2121324412.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106089 + ... + 124672.
It is an arithmetic number, because the mean of its divisors is an integer number (164764068).
Almost surely, 22144231212 is an apocalyptic number.
It is an amenable number.
2144231212 is a deficient number, since it is larger than the sum of its proper divisors (1810106420).
2144231212 is a wasteful number, since it uses less digits than its factorization.
2144231212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 230889 (or 230887 counting only the distinct ones).
The product of its digits is 768, while the sum is 22.
The square root of 2144231212 is about 46305.8442531826. The cubic root of 2144231212 is about 1289.5074962267.
Adding to 2144231212 its reverse (2121324412), we get a palindrome (4265555624).
The spelling of 2144231212 in words is "two billion, one hundred forty-four million, two hundred thirty-one thousand, two hundred twelve".
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