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144220204342 = 2473174839929
BaseRepresentation
bin1000011001010000110…
…0011010110100110110
3111210020221202110202201
42012110030122310312
54330330333014332
6150130455255114
713263624340024
oct2062414326466
9453227673681
10144220204342
1156188600125
1223b4b07a49a
13107a4cc3126
146da1d03714
153b414925e7
hex219431ad36

144220204342 has 16 divisors (see below), whose sum is σ = 221630074560. Its totient is φ = 70353193408.

The previous prime is 144220204127. The next prime is 144220204351. The reversal of 144220204342 is 243402022441.

It is a self number, because there is not a number n which added to its sum of digits gives 144220204342.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 2390167 + ... + 2449762.

It is an arithmetic number, because the mean of its divisors is an integer number (13851879660).

Almost surely, 2144220204342 is an apocalyptic number.

144220204342 is a deficient number, since it is larger than the sum of its proper divisors (77409870218).

144220204342 is a wasteful number, since it uses less digits than its factorization.

144220204342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4840295.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 144220204342 its reverse (243402022441), we get a palindrome (387622226783).

The spelling of 144220204342 in words is "one hundred forty-four billion, two hundred twenty million, two hundred four thousand, three hundred forty-two".

Divisors: 1 2 47 94 317 634 14899 29798 4839929 9679858 227476663 454953326 1534257493 3068514986 72110102171 144220204342