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8075482021 is a prime number
BaseRepresentation
bin1111000010101011…
…00001001110100101
3202211210102222202201
413201111201032211
5113014310411041
63413153334501
7404055315235
oct74125411645
922753388681
108075482021
113474443192
121694567431
139b9080c39
14568715cc5
15323e5a631
hex1e15613a5

8075482021 has 2 divisors, whose sum is σ = 8075482022. Its totient is φ = 8075482020.

The previous prime is 8075482007. The next prime is 8075482067. The reversal of 8075482021 is 1202845708.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6321045025 + 1754436996 = 79505^2 + 41886^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8075482021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8075485021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4037741010 + 4037741011.

It is an arithmetic number, because the mean of its divisors is an integer number (4037741011).

Almost surely, 28075482021 is an apocalyptic number.

It is an amenable number.

8075482021 is a deficient number, since it is larger than the sum of its proper divisors (1).

8075482021 is an equidigital number, since it uses as much as digits as its factorization.

8075482021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 8075482021 is about 89863.6857746220. The cubic root of 8075482021 is about 2006.2704883587.

The spelling of 8075482021 in words is "eight billion, seventy-five million, four hundred eighty-two thousand, twenty-one".