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144421004305 = 51131518716831
BaseRepresentation
bin1000011010000000101…
…0011010010000010001
3111210202221121011112101
42012200022122100101
54331233234114210
6150202431200401
713301613165454
oct2064012322021
9453687534471
10144421004305
115628098a106
1223ba6376101
131080779a586
146dc085349b
153b53e08a3a
hex21a029a411

144421004305 has 16 divisors (see below), whose sum is σ = 174860780544. Its totient is φ = 114500010240.

The previous prime is 144421004293. The next prime is 144421004317. The reversal of 144421004305 is 503400124441.

It is an interprime number because it is at equal distance from previous prime (144421004293) and next prime (144421004317).

It is not a de Polignac number, because 144421004305 - 213 = 144420996113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8572240 + ... + 8589070.

It is an arithmetic number, because the mean of its divisors is an integer number (10928798784).

Almost surely, 2144421004305 is an apocalyptic number.

It is an amenable number.

144421004305 is a deficient number, since it is larger than the sum of its proper divisors (30439776239).

144421004305 is a wasteful number, since it uses less digits than its factorization.

144421004305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32136.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 144421004305 its reverse (503400124441), we get a palindrome (647821128746).

The spelling of 144421004305 in words is "one hundred forty-four billion, four hundred twenty-one million, four thousand, three hundred five".

Divisors: 1 5 113 565 15187 16831 75935 84155 1716131 1901903 8580655 9509515 255612397 1278061985 28884200861 144421004305