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80109137 is a prime number
BaseRepresentation
bin1001100011001…
…01111001010001
312120201222002002
410301211321101
5131001443022
611541003345
71661626223
oct461457121
9176658062
1080109137
11412461a9
12229b3555
131379ac74
14a8d4413
157076092
hex4c65e51

80109137 has 2 divisors, whose sum is σ = 80109138. Its totient is φ = 80109136.

The previous prime is 80109131. The next prime is 80109157. The reversal of 80109137 is 73190108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61481281 + 18627856 = 7841^2 + 4316^2 .

It is a cyclic number.

It is not a de Polignac number, because 80109137 - 28 = 80108881 is a prime.

It is not a weakly prime, because it can be changed into another prime (80109131) 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, 40054568 + 40054569.

It is an arithmetic number, because the mean of its divisors is an integer number (40054569).

Almost surely, 280109137 is an apocalyptic number.

It is an amenable number.

80109137 is a deficient number, since it is larger than the sum of its proper divisors (1).

80109137 is an equidigital number, since it uses as much as digits as its factorization.

80109137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 80109137 is about 8950.3707744428. The cubic root of 80109137 is about 431.0827894213.

The spelling of 80109137 in words is "eighty million, one hundred nine thousand, one hundred thirty-seven".