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144144103240 = 2357829460289
BaseRepresentation
bin1000011000111110101…
…0000111011101001000
3111210001122120010200101
42012033222013131020
54330201342300430
6150115140215144
713262011442644
oct2061752073510
9453048503611
10144144103240
1156149652255
1223b2969a4b4
13107922c95a7
146d95b73c24
153b3995ddca
hex218fa87748

144144103240 has 32 divisors (see below), whose sum is σ = 324366363000. Its totient is φ = 57650151424.

The previous prime is 144144103223. The next prime is 144144103267. The reversal of 144144103240 is 42301441441.

It can be written as a sum of positive squares in 4 ways, for example, as 58708320804 + 85435782436 = 242298^2 + 292294^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144144103199 and 144144103208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83016 + ... + 543304.

Almost surely, 2144144103240 is an apocalyptic number.

144144103240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144144103240 is an abundant number, since it is smaller than the sum of its proper divisors (180222259760).

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

144144103240 is a wasteful number, since it uses less digits than its factorization.

144144103240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468129 (or 468125 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 144144103240 its reverse (42301441441), we get a palindrome (186445544681).

The spelling of 144144103240 in words is "one hundred forty-four billion, one hundred forty-four million, one hundred three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 7829 15658 31316 39145 62632 78290 156580 313160 460289 920578 1841156 2301445 3682312 4602890 9205780 18411560 3603602581 7207205162 14414410324 18018012905 28828820648 36036025810 72072051620 144144103240