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2104240013 = 12716568819
BaseRepresentation
bin111110101101100…
…0010011110001101
312102122111110122022
41331123002132031
513302141140023
6544445055525
7103100513351
oct17533023615
95378443568
102104240013
1198a874737
124a88575a5
13276c43a45
1415d671461
15c4b037c8
hex7d6c278d

2104240013 has 4 divisors (see below), whose sum is σ = 2120808960. Its totient is φ = 2087671068.

The previous prime is 2104240003. The next prime is 2104240027. The reversal of 2104240013 is 3100424012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2104240013 - 214 = 2104223629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2104239973 and 2104240000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104240003) 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, 8284283 + ... + 8284536.

It is an arithmetic number, because the mean of its divisors is an integer number (530202240).

Almost surely, 22104240013 is an apocalyptic number.

It is an amenable number.

2104240013 is a deficient number, since it is larger than the sum of its proper divisors (16568947).

2104240013 is a wasteful number, since it uses less digits than its factorization.

2104240013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16568946.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2104240013 is about 45871.9959561386. The cubic root of 2104240013 is about 1281.4404383420.

Adding to 2104240013 its reverse (3100424012), we get a palindrome (5204664025).

The spelling of 2104240013 in words is "two billion, one hundred four million, two hundred forty thousand, thirteen".

Divisors: 1 127 16568819 2104240013