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28062812719 is a prime number
BaseRepresentation
bin11010001000101011…
…001000101000101111
32200102202010121000001
4122020223020220233
5424433040001334
620520351245131
72012264654344
oct321053105057
980382117001
1028062812719
11109a07a9607
1255322197a7
132852c41036
1415030607cb
15ae3a22714
hex688ac8a2f

28062812719 has 2 divisors, whose sum is σ = 28062812720. Its totient is φ = 28062812718.

The previous prime is 28062812707. The next prime is 28062812737. The reversal of 28062812719 is 91721826082.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28062812719 is a prime.

It is a super-2 number, since 2×280628127192 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28062812419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14031406359 + 14031406360.

It is an arithmetic number, because the mean of its divisors is an integer number (14031406360).

Almost surely, 228062812719 is an apocalyptic number.

28062812719 is a deficient number, since it is larger than the sum of its proper divisors (1).

28062812719 is an equidigital number, since it uses as much as digits as its factorization.

28062812719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 28062812719 in words is "twenty-eight billion, sixty-two million, eight hundred twelve thousand, seven hundred nineteen".