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28100751863 is a prime number
BaseRepresentation
bin11010001010111011…
…110111000111110111
32200112101112002201112
4122022323313013313
5430022243024423
620524224345235
72013235310162
oct321273670767
980471462645
1028100751863
1110a10161878
125542a7521b
13285aa65832
1415080d8ad9
15ae7018a78
hex68aef71f7

28100751863 has 2 divisors, whose sum is σ = 28100751864. Its totient is φ = 28100751862.

The previous prime is 28100751857. The next prime is 28100751923. The reversal of 28100751863 is 36815700182.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28100751863 - 214 = 28100735479 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28100751863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28100750863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14050375931 + 14050375932.

It is an arithmetic number, because the mean of its divisors is an integer number (14050375932).

Almost surely, 228100751863 is an apocalyptic number.

28100751863 is a deficient number, since it is larger than the sum of its proper divisors (1).

28100751863 is an equidigital number, since it uses as much as digits as its factorization.

28100751863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 28100751863 in words is "twenty-eight billion, one hundred million, seven hundred fifty-one thousand, eight hundred sixty-three".