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144442443213423 = 3237433761090731
BaseRepresentation
bin100000110101111010100000…
…100001001010101001101111
3200221102120012012220020202200
4200311322200201022221233
5122413021110430312143
61231111535314352543
742265423252411215
oct4065724041125157
9627376165806680
10144442443213423
11420297726506a3
1214249ab5b8b753
136279b30135a24
1427950a1668cb5
1511a742d0d71d3
hex835ea084aa6f

144442443213423 has 12 divisors (see below), whose sum is σ = 214277978821608. Its totient is φ = 93692395597680.

The previous prime is 144442443213421. The next prime is 144442443213443. The reversal of 144442443213423 is 324312344244441.

144442443213423 is a `hidden beast` number, since 1 + 4 + 4 + 4 + 4 + 2 + 4 + 4 + 3 + 213 + 423 = 666.

It is not a de Polignac number, because 144442443213423 - 21 = 144442443213421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144442443213421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216880545033 + ... + 216880545698.

It is an arithmetic number, because the mean of its divisors is an integer number (17856498235134).

Almost surely, 2144442443213423 is an apocalyptic number.

144442443213423 is a deficient number, since it is larger than the sum of its proper divisors (69835535608185).

144442443213423 is a wasteful number, since it uses less digits than its factorization.

144442443213423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433761090774 (or 433761090771 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 45.

Adding to 144442443213423 its reverse (324312344244441), we get a palindrome (468754787457864).

The spelling of 144442443213423 in words is "one hundred forty-four trillion, four hundred forty-two billion, four hundred forty-three million, two hundred thirteen thousand, four hundred twenty-three".

Divisors: 1 3 9 37 111 333 433761090731 1301283272193 3903849816579 16049160357047 48147481071141 144442443213423