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14243220218 = 2149389122869
BaseRepresentation
bin11010100001111011…
…00100101011111010
31100202122010112222202
431100331210223322
5213132231021333
610313201350202
71012650242243
oct152075445372
940678115882
1014243220218
116049a21187
122916038362
13145cb19676
14991909cca
155856785e8
hex350f64afa

14243220218 has 16 divisors (see below), whose sum is σ = 21563685000. Its totient is φ = 7055572032.

The previous prime is 14243220191. The next prime is 14243220301. The reversal of 14243220218 is 81202234241.

It can be written as a sum of positive squares in 4 ways, for example, as 10542566329 + 3700653889 = 102677^2 + 60833^2 .

It is an unprimeable number.

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, 54488 + ... + 177356.

Almost surely, 214243220218 is an apocalyptic number.

14243220218 is a deficient number, since it is larger than the sum of its proper divisors (7320464782).

14243220218 is a wasteful number, since it uses less digits than its factorization.

14243220218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123409.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 14243220218 its reverse (81202234241), we get a palindrome (95445454459).

The spelling of 14243220218 in words is "fourteen billion, two hundred forty-three million, two hundred twenty thousand, two hundred eighteen".

Divisors: 1 2 149 298 389 778 57961 115922 122869 245738 18307481 36614962 47796041 95592082 7121610109 14243220218