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8285912137 is a prime number
BaseRepresentation
bin1111011011110000…
…01111110001001001
3210101110101221121201
413231320033301021
5113432143142022
63450111504201
7412222043146
oct75570176111
923343357551
108285912137
1135721aa478
121732b28061
13a2084a7b9
145886513cd
15337675127
hex1ede0fc49

8285912137 has 2 divisors, whose sum is σ = 8285912138. Its totient is φ = 8285912136.

The previous prime is 8285912101. The next prime is 8285912153. The reversal of 8285912137 is 7312195828.

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., 7093176841 + 1192735296 = 84221^2 + 34536^2 .

It is a cyclic number.

It is not a de Polignac number, because 8285912137 - 27 = 8285912009 is a prime.

It is not a weakly prime, because it can be changed into another prime (8285910137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4142956068 + 4142956069.

It is an arithmetic number, because the mean of its divisors is an integer number (4142956069).

Almost surely, 28285912137 is an apocalyptic number.

It is an amenable number.

8285912137 is a deficient number, since it is larger than the sum of its proper divisors (1).

8285912137 is an equidigital number, since it uses as much as digits as its factorization.

8285912137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 46.

The square root of 8285912137 is about 91026.9857624650. The cubic root of 8285912137 is about 2023.5476767902.

The spelling of 8285912137 in words is "eight billion, two hundred eighty-five million, nine hundred twelve thousand, one hundred thirty-seven".