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2104041440021 = 19277399779867
BaseRepresentation
bin11110100111100010101…
…001001000001100010101
321110010220021011121200112
4132213202221020030111
5233433034102040041
64250325554052405
7305004052103363
oct36474251101425
97403807147615
102104041440021
117413565a4664
1229b93b27a105
13123544444631
1473b9c570633
1539ae6e25deb
hex1e9e2a48315

2104041440021 has 8 divisors (see below), whose sum is σ = 2222776066080. Its totient is φ = 1986106374288.

The previous prime is 2104041439999. The next prime is 2104041440029. The reversal of 2104041440021 is 1200441404012.

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

It is a cyclic number.

It is not a de Polignac number, because 2104041440021 - 214 = 2104041423637 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 (2104041440029) 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, 199884671 + ... + 199895196.

It is an arithmetic number, because the mean of its divisors is an integer number (277847008260).

Almost surely, 22104041440021 is an apocalyptic number.

It is an amenable number.

2104041440021 is a deficient number, since it is larger than the sum of its proper divisors (118734626059).

2104041440021 is a wasteful number, since it uses less digits than its factorization.

2104041440021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399780163.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 2104041440021 its reverse (1200441404012), we get a palindrome (3304482844033).

The spelling of 2104041440021 in words is "two trillion, one hundred four billion, forty-one million, four hundred forty thousand, twenty-one".

Divisors: 1 19 277 5263 399779867 7595817473 110739023159 2104041440021