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144128323738 = 2721470697181
BaseRepresentation
bin1000011000111010110…
…1111011000010011010
3111210000112212110021101
42012032231323002122
54330133322324423
6150113414102014
713261430352400
oct2061655730232
9453015773241
10144128323738
1156140754943
1223b2434a90a
131078bc631c9
146d93a27470
153b383937ad
hex218eb7b09a

144128323738 has 12 divisors (see below), whose sum is σ = 251489218122. Its totient is φ = 61769281560.

The previous prime is 144128323733. The next prime is 144128323741. The reversal of 144128323738 is 837323821441.

144128323738 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., 143578092889 + 550230849 = 378917^2 + 23457^2 .

It is not an unprimeable number, because it can be changed into a prime (144128323733) by changing a digit.

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, 735348493 + ... + 735348688.

Almost surely, 2144128323738 is an apocalyptic number.

144128323738 is a deficient number, since it is larger than the sum of its proper divisors (107360894384).

144128323738 is a wasteful number, since it uses less digits than its factorization.

144128323738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470697197 (or 1470697190 counting only the distinct ones).

The product of its digits is 774144, while the sum is 46.

The spelling of 144128323738 in words is "one hundred forty-four billion, one hundred twenty-eight million, three hundred twenty-three thousand, seven hundred thirty-eight".

Divisors: 1 2 7 14 49 98 1470697181 2941394362 10294880267 20589760534 72064161869 144128323738