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1444222122311 = 19750929143947
BaseRepresentation
bin10101000001000010010…
…110001011100101000111
312010001210022201100221202
4111001002112023211013
5142130231330403221
63023244432133115
7206225112330233
oct25010226134507
95101708640852
101444222122311
11507544812311
121b3a9709719b
13a626060c557
144dc8782b5c3
152787a645d0b
hex1504258b947

1444222122311 has 8 divisors (see below), whose sum is σ = 1451591784720. Its totient is φ = 1436852850048.

The previous prime is 1444222122289. The next prime is 1444222122319. The reversal of 1444222122311 is 1132212224441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1444222122311 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 (1444222122319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9961040 + ... + 10104986.

It is an arithmetic number, because the mean of its divisors is an integer number (181448973090).

Almost surely, 21444222122311 is an apocalyptic number.

1444222122311 is a deficient number, since it is larger than the sum of its proper divisors (7369662409).

1444222122311 is a wasteful number, since it uses less digits than its factorization.

1444222122311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195073.

The product of its digits is 6144, while the sum is 29.

Adding to 1444222122311 its reverse (1132212224441), we get a palindrome (2576434346752).

The spelling of 1444222122311 in words is "one trillion, four hundred forty-four billion, two hundred twenty-two million, one hundred twenty-two thousand, three hundred eleven".

Divisors: 1 197 50929 143947 10033013 28357559 7331076763 1444222122311