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2806683709 is a prime number
BaseRepresentation
bin1010011101001010…
…1001100000111101
321020121021022020111
42213102221200331
521222002334314
61142300550021
7126360263224
oct24722514075
97217238214
102806683709
111210333015
12663b52311
1335962a4bb
141c8a83cbb
15116609ec4
hexa74a983d

2806683709 has 2 divisors, whose sum is σ = 2806683710. Its totient is φ = 2806683708.

The previous prime is 2806683703. The next prime is 2806683727. The reversal of 2806683709 is 9073866082.

2806683709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2320348900 + 486334809 = 48170^2 + 22053^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2806683709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2806683703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1403341854 + 1403341855.

It is an arithmetic number, because the mean of its divisors is an integer number (1403341855).

Almost surely, 22806683709 is an apocalyptic number.

It is an amenable number.

2806683709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2806683709 is an equidigital number, since it uses as much as digits as its factorization.

2806683709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 2806683709 is about 52978.1436915262. The cubic root of 2806683709 is about 1410.5803336845.

The spelling of 2806683709 in words is "two billion, eight hundred six million, six hundred eighty-three thousand, seven hundred nine".