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8072887913 is a prime number
BaseRepresentation
bin1111000010010111…
…00111111001101001
3202211121120012022122
413201023213321221
5113013124403123
63413022001025
7404024262236
oct74113477151
922747505278
108072887913
113472a311a2
121693716175
139b868326c
1456823c78d
15323ae6bc8
hex1e12e7e69

8072887913 has 2 divisors, whose sum is σ = 8072887914. Its totient is φ = 8072887912.

The previous prime is 8072887891. The next prime is 8072887919. The reversal of 8072887913 is 3197882708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8066195344 + 6692569 = 89812^2 + 2587^2 .

It is a cyclic number.

It is not a de Polignac number, because 8072887913 - 224 = 8056110697 is a prime.

It is a super-2 number, since 2×80728879132 (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8072887919) 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 as a sum of consecutive naturals, namely, 4036443956 + 4036443957.

It is an arithmetic number, because the mean of its divisors is an integer number (4036443957).

Almost surely, 28072887913 is an apocalyptic number.

It is an amenable number.

8072887913 is a deficient number, since it is larger than the sum of its proper divisors (1).

8072887913 is an equidigital number, since it uses as much as digits as its factorization.

8072887913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 53.

The square root of 8072887913 is about 89849.2510430666. The cubic root of 8072887913 is about 2006.0556388636.

The spelling of 8072887913 in words is "eight billion, seventy-two million, eight hundred eighty-seven thousand, nine hundred thirteen".