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2012717617 = 16691120587
BaseRepresentation
bin111011111110111…
…1010001000110001
312012021021122111221
41313331322020301
513110223430432
6531415305041
7100606550251
oct16775721061
95167248457
102012717617
11943143599
1248207b181
13260caab91
14151449961
15bba75b97
hex77f7a231

2012717617 has 4 divisors (see below), whose sum is σ = 2012854896. Its totient is φ = 2012580340.

The previous prime is 2012717599. The next prime is 2012717621. The reversal of 2012717617 is 7167172102.

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 2012717617 - 211 = 2012715569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012717627) 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 3 ways as a sum of consecutive naturals, for example, 43603 + ... + 76984.

It is an arithmetic number, because the mean of its divisors is an integer number (503213724).

Almost surely, 22012717617 is an apocalyptic number.

It is an amenable number.

2012717617 is a deficient number, since it is larger than the sum of its proper divisors (137279).

2012717617 is a wasteful number, since it uses less digits than its factorization.

2012717617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137278.

The product of its (nonzero) digits is 8232, while the sum is 34.

The square root of 2012717617 is about 44863.3215110072. The cubic root of 2012717617 is about 1262.5859415665.

Adding to 2012717617 its reverse (7167172102), we get a palindrome (9179889719).

The spelling of 2012717617 in words is "two billion, twelve million, seven hundred seventeen thousand, six hundred seventeen".

Divisors: 1 16691 120587 2012717617