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144102312040 = 23510933050989
BaseRepresentation
bin1000011000110100101…
…0101100100001101000
3111202221201220220221011
42012031022230201220
54330110142441130
6150111044353304
713260663304501
oct2061512544150
9452851826834
10144102312040
1156127aa8975
1223b176a5834
131078675667b
146d903b5ba8
153b35e5652a
hex218d2ac868

144102312040 has 32 divisors (see below), whose sum is σ = 327204801000. Its totient is φ = 57112107264.

The previous prime is 144102312031. The next prime is 144102312041. The reversal of 144102312040 is 40213201441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 143727424996 + 374887044 = 379114^2 + 19362^2 .

It is not an unprimeable number, because it can be changed into a prime (144102312041) 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, 16521135 + ... + 16529854.

Almost surely, 2144102312040 is an apocalyptic number.

144102312040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144102312040 is an abundant number, since it is smaller than the sum of its proper divisors (183102488960).

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

144102312040 is a wasteful number, since it uses less digits than its factorization.

144102312040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33051109 (or 33051105 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 144102312040 its reverse (40213201441), we get a palindrome (184315513481).

The spelling of 144102312040 in words is "one hundred forty-four billion, one hundred two million, three hundred twelve thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 109 218 436 545 872 1090 2180 4360 33050989 66101978 132203956 165254945 264407912 330509890 661019780 1322039560 3602557801 7205115602 14410231204 18012789005 28820462408 36025578010 72051156020 144102312040