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8100805253 is a prime number
BaseRepresentation
bin1111000101101100…
…00111101010000101
3202220120002112201012
413202312013222011
5113042301232003
63415500212005
7404513465012
oct74266075205
922816075635
108100805253
113487769982
1216a0b3a005
139c13a92b8
1456bc28709
153262ad8d8
hex1e2d87a85

8100805253 has 2 divisors, whose sum is σ = 8100805254. Its totient is φ = 8100805252.

The previous prime is 8100805243. The next prime is 8100805259. The reversal of 8100805253 is 3525080018.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4456630564 + 3644174689 = 66758^2 + 60367^2 .

It is a cyclic number.

It is not a de Polignac number, because 8100805253 - 26 = 8100805189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8100805259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4050402626 + 4050402627.

It is an arithmetic number, because the mean of its divisors is an integer number (4050402627).

Almost surely, 28100805253 is an apocalyptic number.

It is an amenable number.

8100805253 is a deficient number, since it is larger than the sum of its proper divisors (1).

8100805253 is an equidigital number, since it uses as much as digits as its factorization.

8100805253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 8100805253 is about 90004.4735165981. The cubic root of 8100805253 is about 2008.3653990155.

The spelling of 8100805253 in words is "eight billion, one hundred million, eight hundred five thousand, two hundred fifty-three".