Base | Representation |
---|---|
bin | 111111111010001… |
… | …1100100111000011 |
3 | 12112110011121101020 |
4 | 1333310130213003 |
5 | 13342440030412 |
6 | 552443040523 |
7 | 104066365464 |
oct | 17764344703 |
9 | 5473147336 |
10 | 2144455107 |
11 | a00541953 |
12 | 4ba210143 |
13 | 282384462 |
14 | 164b3cd6b |
15 | c83e918c |
hex | 7fd1c9c3 |
2144455107 has 8 divisors (see below), whose sum is σ = 2925768384. Its totient is φ = 1396389288.
The previous prime is 2144455091. The next prime is 2144455133. The reversal of 2144455107 is 7015544412.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2144455107 - 24 = 2144455091 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2144455507) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8311713 + ... + 8311970.
It is an arithmetic number, because the mean of its divisors is an integer number (365721048).
Almost surely, 22144455107 is an apocalyptic number.
2144455107 is a deficient number, since it is larger than the sum of its proper divisors (781313277).
2144455107 is a wasteful number, since it uses less digits than its factorization.
2144455107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16623729.
The product of its (nonzero) digits is 22400, while the sum is 33.
The square root of 2144455107 is about 46308.2617574877. The cubic root of 2144455107 is about 1289.5523769950.
Adding to 2144455107 its reverse (7015544412), we get a palindrome (9159999519).
The spelling of 2144455107 in words is "two billion, one hundred forty-four million, four hundred fifty-five thousand, one hundred seven".
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