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2080308289 = 3167106719
BaseRepresentation
bin111101111111110…
…1111110001000001
312100222110121111011
41323333233301001
513230024331124
6542232120521
7102360220513
oct17377576101
95328417434
102080308289
11978309454
124a0836141
13271cb4b67
1415a401bb3
15c2977994
hex7bfefc41

2080308289 has 4 divisors (see below), whose sum is σ = 2147415040. Its totient is φ = 2013201540.

The previous prime is 2080308283. The next prime is 2080308311. The reversal of 2080308289 is 9828030802.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9828030802 = 24914015401.

It is a cyclic number.

It is not a de Polignac number, because 2080308289 - 219 = 2079784001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2080308283) 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, 33553329 + ... + 33553390.

It is an arithmetic number, because the mean of its divisors is an integer number (536853760).

Almost surely, 22080308289 is an apocalyptic number.

It is an amenable number.

2080308289 is a deficient number, since it is larger than the sum of its proper divisors (67106751).

2080308289 is an equidigital number, since it uses as much as digits as its factorization.

2080308289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67106750.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 2080308289 is about 45610.3967204847. The cubic root of 2080308289 is about 1276.5639225496.

The spelling of 2080308289 in words is "two billion, eighty million, three hundred eight thousand, two hundred eighty-nine".

Divisors: 1 31 67106719 2080308289