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144442021342 = 2401601299671
BaseRepresentation
bin1000011010000101101…
…0100101010111011110
3111210211102010221111011
42012201122211113132
54331304124140332
6150204501445434
713302256631563
oct2064132452736
9453742127434
10144442021342
1156291834563
1223bb141087a
131080bc488a8
146dc356486a
153b55baae47
hex21a16a55de

144442021342 has 16 divisors (see below), whose sum is σ = 217565468064. Its totient is φ = 71920800000.

The previous prime is 144442021337. The next prime is 144442021349. The reversal of 144442021342 is 243120244441.

It is a happy number.

144442021342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144442021349) 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, 332167 + ... + 631837.

It is an arithmetic number, because the mean of its divisors is an integer number (13597841754).

Almost surely, 2144442021342 is an apocalyptic number.

144442021342 is a deficient number, since it is larger than the sum of its proper divisors (73123446722).

144442021342 is a wasteful number, since it uses less digits than its factorization.

144442021342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300675.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 144442021342 its reverse (243120244441), we get a palindrome (387562265783).

The spelling of 144442021342 in words is "one hundred forty-four billion, four hundred forty-two million, twenty-one thousand, three hundred forty-two".

Divisors: 1 2 401 601 802 1202 241001 299671 482002 599342 120168071 180102271 240336142 360204542 72221010671 144442021342