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1440103441223 = 11171289260019
BaseRepresentation
bin10100111101001100110…
…110101010001101000111
312002200011021200200122202
4110331030312222031013
5142043312440104343
63021324022345115
7206021051164526
oct24751466521507
95080137620582
101440103441223
11505820938247
121b312788b19b
13a5a55236355
144d9b68224bd
15276d8c7adb8
hex14f4cdaa347

1440103441223 has 4 divisors (see below), whose sum is σ = 1441392702360. Its totient is φ = 1438814180088.

The previous prime is 1440103441219. The next prime is 1440103441247. The reversal of 1440103441223 is 3221443010441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1440103441223 - 22 = 1440103441219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440103441253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644628893 + ... + 644631126.

It is an arithmetic number, because the mean of its divisors is an integer number (360348175590).

Almost surely, 21440103441223 is an apocalyptic number.

1440103441223 is a deficient number, since it is larger than the sum of its proper divisors (1289261137).

1440103441223 is a wasteful number, since it uses less digits than its factorization.

1440103441223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289261136.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1440103441223 its reverse (3221443010441), we get a palindrome (4661546451664).

The spelling of 1440103441223 in words is "one trillion, four hundred forty billion, one hundred three million, four hundred forty-one thousand, two hundred twenty-three".

Divisors: 1 1117 1289260019 1440103441223