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144323344220 = 22511656015201
BaseRepresentation
bin1000011001101001010…
…1110111011101011100
3111210112010211112002012
42012122111313131130
54331033234003340
6150145022050352
713266316120256
oct2063225673534
9453463745065
10144323344220
11562308466a0
1223b797199b8
13107c0495b43
146db18b0cd6
153b4a567565
hex219a57775c

144323344220 has 24 divisors (see below), whose sum is σ = 330631661808. Its totient is φ = 52481216000.

The previous prime is 144323344183. The next prime is 144323344223. The reversal of 144323344220 is 22443323441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144323344223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328007381 + ... + 328007820.

It is an arithmetic number, because the mean of its divisors is an integer number (13776319242).

Almost surely, 2144323344220 is an apocalyptic number.

144323344220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144323344220 is an abundant number, since it is smaller than the sum of its proper divisors (186308317588).

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

144323344220 is a wasteful number, since it uses less digits than its factorization.

144323344220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656015221 (or 656015219 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 144323344220 its reverse (22443323441), we get a palindrome (166766667661).

The spelling of 144323344220 in words is "one hundred forty-four billion, three hundred twenty-three million, three hundred forty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 656015201 1312030402 2624060804 3280076005 6560152010 7216167211 13120304020 14432334422 28864668844 36080836055 72161672110 144323344220