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2144033331211 = 64319777168601
BaseRepresentation
bin11111001100110010010…
…110000101100000001011
321120222010100222011222201
4133030302112011200023
5240111440013044321
64320542203101031
7310621100422342
oct37146226054013
97528110864881
102144033331211
11757308a14402
122a7640511777
13127248918085
1475ab3a2ab59
153ab87d5a291
hex1f33258580b

2144033331211 has 8 divisors (see below), whose sum is σ = 2147489069264. Its totient is φ = 2140577971200.

The previous prime is 2144033331163. The next prime is 2144033331371. The reversal of 2144033331211 is 1121333304412.

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-2144033331211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2144033331211.

It is not an unprimeable number, because it can be changed into a prime (2144033391211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12632311 + ... + 12800911.

It is an arithmetic number, because the mean of its divisors is an integer number (268436133658).

Almost surely, 22144033331211 is an apocalyptic number.

2144033331211 is a deficient number, since it is larger than the sum of its proper divisors (3455738053).

2144033331211 is a wasteful number, since it uses less digits than its factorization.

2144033331211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189021.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 2144033331211 its reverse (1121333304412), we get a palindrome (3265366635623).

The spelling of 2144033331211 in words is "two trillion, one hundred forty-four billion, thirty-three million, three hundred thirty-one thousand, two hundred eleven".

Divisors: 1 643 19777 168601 12716611 108410443 3334421977 2144033331211