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144220660023 = 31128115552751
BaseRepresentation
bin1000011001010000111…
…0001010000100110111
3111210020222121121211210
42012110032022010313
54330330442110043
6150130513132503
713263631245366
oct2062416120467
9453228547753
10144220660023
1156188891520
1223b4b25a133
13107a512266b
146da1dc17dd
153b41532633
hex219438a137

144220660023 has 16 divisors (see below), whose sum is σ = 210522051072. Its totient is φ = 87095400000.

The previous prime is 144220659983. The next prime is 144220660033. The reversal of 144220660023 is 320066022441.

It is not a de Polignac number, because 144220660023 - 26 = 144220659959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144220660033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7767103 + ... + 7785648.

It is an arithmetic number, because the mean of its divisors is an integer number (13157628192).

Almost surely, 2144220660023 is an apocalyptic number.

144220660023 is a deficient number, since it is larger than the sum of its proper divisors (66301391049).

144220660023 is a wasteful number, since it uses less digits than its factorization.

144220660023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15553046.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 144220660023 its reverse (320066022441), we get a palindrome (464286682464).

The spelling of 144220660023 in words is "one hundred forty-four billion, two hundred twenty million, six hundred sixty thousand, twenty-three".

Divisors: 1 3 11 33 281 843 3091 9273 15552751 46658253 171080261 513240783 4370323031 13110969093 48073553341 144220660023