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65150161 is a prime number
BaseRepresentation
bin1111100010000…
…1110011010001
311112120222012221
43320201303101
5113134301121
610244221041
71420524106
oct370416321
9145528187
1065150161
113385930a
121999a781
13106611bb
14891caad
155abdb41
hex3e21cd1

65150161 has 2 divisors, whose sum is σ = 65150162. Its totient is φ = 65150160.

The previous prime is 65150159. The next prime is 65150201. The reversal of 65150161 is 16105156.

65150161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34281025 + 30869136 = 5855^2 + 5556^2 .

It is a cyclic number.

It is not a de Polignac number, because 65150161 - 21 = 65150159 is a prime.

Together with 65150159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (65157161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32575080 + 32575081.

It is an arithmetic number, because the mean of its divisors is an integer number (32575081).

Almost surely, 265150161 is an apocalyptic number.

It is an amenable number.

65150161 is a deficient number, since it is larger than the sum of its proper divisors (1).

65150161 is an equidigital number, since it uses as much as digits as its factorization.

65150161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 65150161 is about 8071.5649659778. The cubic root of 65150161 is about 402.3819563051.

The spelling of 65150161 in words is "sixty-five million, one hundred fifty thousand, one hundred sixty-one".