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8812531073 is a prime number
BaseRepresentation
bin10000011010100010…
…01000110110000001
3211202011022221222202
420031101020312001
5121022001443243
64014243042545
7431245164263
oct101521106601
924664287882
108812531073
113812498035
12185b370455
13aa5992938
145d8575b33
153689ea4b8
hex20d448d81

8812531073 has 2 divisors, whose sum is σ = 8812531074. Its totient is φ = 8812531072.

The previous prime is 8812531051. The next prime is 8812531093. The reversal of 8812531073 is 3701352188.

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., 5394608704 + 3417922369 = 73448^2 + 58463^2 .

It is a cyclic number.

It is not a de Polignac number, because 8812531073 - 212 = 8812526977 is a prime.

It is not a weakly prime, because it can be changed into another prime (8812531003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4406265536 + 4406265537.

It is an arithmetic number, because the mean of its divisors is an integer number (4406265537).

Almost surely, 28812531073 is an apocalyptic number.

It is an amenable number.

8812531073 is a deficient number, since it is larger than the sum of its proper divisors (1).

8812531073 is an equidigital number, since it uses as much as digits as its factorization.

8812531073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 8812531073 is about 93875.0822795911. The cubic root of 8812531073 is about 2065.5397341181.

The spelling of 8812531073 in words is "eight billion, eight hundred twelve million, five hundred thirty-one thousand, seventy-three".