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144445321411 = 503287167637
BaseRepresentation
bin1000011010000110011…
…1001011000011000011
3111210211122100121022221
42012201213023003003
54331311000241121
6150205100311511
713302326655016
oct2064147130303
9453748317287
10144445321411
1156293688996
1223bb2542597
131080c8329b1
146dc3b8337d
153b5610db41
hex21a19cb0c3

144445321411 has 4 divisors (see below), whose sum is σ = 144732489552. Its totient is φ = 144158153272.

The previous prime is 144445321399. The next prime is 144445321439. The reversal of 144445321411 is 114123544441.

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 144445321411 - 235 = 110085583043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144445324411) 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, 143583316 + ... + 143584321.

It is an arithmetic number, because the mean of its divisors is an integer number (36183122388).

Almost surely, 2144445321411 is an apocalyptic number.

144445321411 is a deficient number, since it is larger than the sum of its proper divisors (287168141).

144445321411 is an equidigital number, since it uses as much as digits as its factorization.

144445321411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287168140.

The product of its digits is 30720, while the sum is 34.

Adding to 144445321411 its reverse (114123544441), we get a palindrome (258568865852).

The spelling of 144445321411 in words is "one hundred forty-four billion, four hundred forty-five million, three hundred twenty-one thousand, four hundred eleven".

Divisors: 1 503 287167637 144445321411