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144220012140 = 22352403666869
BaseRepresentation
bin1000011001010000101…
…1101011111001101100
3111210020221101201010010
42012110023223321230
54330330310342030
6150130451213220
713263622606461
oct2062413537154
9453227351103
10144220012140
1156188489786
1223b4aba7210
13107a4c567b9
146da1c93668
153b414556b0
hex21942ebe6c

144220012140 has 24 divisors (see below), whose sum is σ = 403816034160. Its totient is φ = 38458669888.

The previous prime is 144220012133. The next prime is 144220012163. The reversal of 144220012140 is 41210022441.

144220012140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1201833375 + ... + 1201833494.

It is an arithmetic number, because the mean of its divisors is an integer number (16825668090).

Almost surely, 2144220012140 is an apocalyptic number.

144220012140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144220012140 is an abundant number, since it is smaller than the sum of its proper divisors (259596022020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144220012140 is a wasteful number, since it uses less digits than its factorization.

144220012140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403666881 (or 2403666879 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 144220012140 its reverse (41210022441), we get a palindrome (185430034581).

The spelling of 144220012140 in words is "one hundred forty-four billion, two hundred twenty million, twelve thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2403666869 4807333738 7211000607 9614667476 12018334345 14422001214 24036668690 28844002428 36055003035 48073337380 72110006070 144220012140