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144144431312 = 2472183857693
BaseRepresentation
bin1000011000111110101…
…1010111100011010000
3111210001200011210201012
42012033223113203100
54330201433300222
6150115151230052
713262014310300
oct2061753274320
9453050153635
10144144431312
1156149856792
1223b29818328
13107923b2a0b
146d95c1b600
153b399c61e2
hex218fad78d0

144144431312 has 30 divisors (see below), whose sum is σ = 324876545298. Its totient is φ = 61776184512.

The previous prime is 144144431309. The next prime is 144144431339. The reversal of 144144431312 is 213134441441.

144144431312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 104823127696 + 39321303616 = 323764^2 + 198296^2 .

It is a super-3 number, since 3×1441444313123 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 91928063 + ... + 91929630.

Almost surely, 2144144431312 is an apocalyptic number.

It is an amenable number.

144144431312 is an abundant number, since it is smaller than the sum of its proper divisors (180732113986).

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

144144431312 is a wasteful number, since it uses less digits than its factorization.

144144431312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183857715 (or 183857702 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

Adding to 144144431312 its reverse (213134441441), we get a palindrome (357278872753).

The spelling of 144144431312 in words is "one hundred forty-four billion, one hundred forty-four million, four hundred thirty-one thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 196 392 784 183857693 367715386 735430772 1287003851 1470861544 2574007702 2941723088 5148015404 9009026957 10296030808 18018053914 20592061616 36036107828 72072215656 144144431312