Base | Representation |
---|---|
bin | 111111100011010… |
… | …1000010011100101 |
3 | 12111121120101202211 |
4 | 1333012220103211 |
5 | 13331401210024 |
6 | 551333403421 |
7 | 103562323015 |
oct | 17706502345 |
9 | 5447511684 |
10 | 2132444389 |
11 | 9a4789039 |
12 | 4b6199571 |
13 | 27ca3a61a |
14 | 1632d3c45 |
15 | c7325594 |
hex | 7f1a84e5 |
2132444389 has 2 divisors, whose sum is σ = 2132444390. Its totient is φ = 2132444388.
The previous prime is 2132444387. The next prime is 2132444429. The reversal of 2132444389 is 9834442312.
It is an a-pointer prime, because the next prime (2132444429) can be obtained adding 2132444389 to its sum of digits (40).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1393528900 + 738915489 = 37330^2 + 27183^2 .
It is a cyclic number.
It is not a de Polignac number, because 2132444389 - 21 = 2132444387 is a prime.
It is a super-3 number, since 3×21324443893 (a number of 29 digits) contains 333 as substring.
Together with 2132444387, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2132444387) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066222194 + 1066222195.
It is an arithmetic number, because the mean of its divisors is an integer number (1066222195).
Almost surely, 22132444389 is an apocalyptic number.
It is an amenable number.
2132444389 is a deficient number, since it is larger than the sum of its proper divisors (1).
2132444389 is an equidigital number, since it uses as much as digits as its factorization.
2132444389 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 165888, while the sum is 40.
The square root of 2132444389 is about 46178.3974278017. The cubic root of 2132444389 is about 1287.1403491500.
The spelling of 2132444389 in words is "two billion, one hundred thirty-two million, four hundred forty-four thousand, three hundred eighty-nine".
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