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2144111205005 = 571122787244399
BaseRepresentation
bin11111001100110110111…
…111001001101010001101
321120222022210111120202022
4133030312333021222031
5240112114432030010
64320554024135525
7310623034351550
oct37146677115215
97528283446668
102144111205005
11757348973110
122a76626075a5
1312725bab2743
1475ac00dc697
153ab8eaddd55
hex1f336fc9a8d

2144111205005 has 32 divisors (see below), whose sum is σ = 3207967027200. Its totient is φ = 1336524678720.

The previous prime is 2144111205001. The next prime is 2144111205053. The reversal of 2144111205005 is 5005021114412.

It is a happy number.

It is not a de Polignac number, because 2144111205005 - 22 = 2144111205001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144111205001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8650796 + ... + 8895194.

It is an arithmetic number, because the mean of its divisors is an integer number (100248969600).

Almost surely, 22144111205005 is an apocalyptic number.

It is an amenable number.

2144111205005 is a deficient number, since it is larger than the sum of its proper divisors (1063855822195).

2144111205005 is a wasteful number, since it uses less digits than its factorization.

2144111205005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267209.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 2144111205005 its reverse (5005021114412), we get a palindrome (7149132319417).

The spelling of 2144111205005 in words is "two trillion, one hundred forty-four billion, one hundred eleven million, two hundred five thousand, five".

Divisors: 1 5 7 11 35 55 77 385 22787 113935 159509 244399 250657 797545 1221995 1253285 1710793 1754599 2688389 8553965 8772995 13441945 18818723 94093615 5569120013 27845600065 38983840091 61260320143 194919200455 306301600715 428822241001 2144111205005