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1440234331443 = 321369711683291
BaseRepresentation
bin10100111101010100101…
…001111101110100110011
312002200111101222121021200
4110331110221331310303
5142044044442101233
63021345020022243
7206024230553625
oct24752451756463
95080441877250
101440234331443
11505888807a86
121b3163691983
13a5a763a409b
144d9c9d74c15
15276e54d3313
hex14f54a7dd33

1440234331443 has 12 divisors (see below), whose sum is σ = 2080490539608. Its totient is φ = 960086039040.

The previous prime is 1440234331387. The next prime is 1440234331477. The reversal of 1440234331443 is 3441334320441.

1440234331443 is a `hidden beast` number, since 14 + 40 + 234 + 331 + 4 + 43 = 666.

It is not a de Polignac number, because 1440234331443 - 28 = 1440234331187 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1440234331398 and 1440234331407.

It is not an unprimeable number, because it can be changed into a prime (1440234331483) 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, 5718373 + ... + 5964918.

It is an arithmetic number, because the mean of its divisors is an integer number (173374211634).

Almost surely, 21440234331443 is an apocalyptic number.

1440234331443 is a deficient number, since it is larger than the sum of its proper divisors (640256208165).

1440234331443 is a wasteful number, since it uses less digits than its factorization.

1440234331443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11696994 (or 11696991 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 1440234331443 its reverse (3441334320441), we get a palindrome (4881568651884).

The spelling of 1440234331443 in words is "one trillion, four hundred forty billion, two hundred thirty-four million, three hundred thirty-one thousand, four hundred forty-three".

Divisors: 1 3 9 13697 41091 123273 11683291 35049873 105149619 160026036827 480078110481 1440234331443