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83330129 is a prime number
BaseRepresentation
bin1001111011110…
…00010001010001
312210210121110002
410331320101101
5132313031004
612134015345
72031202661
oct475702121
9183717402
1083330129
1143046183
1223aa7555
131435808c
14b0d21a1
1574b061e
hex4f78451

83330129 has 2 divisors, whose sum is σ = 83330130. Its totient is φ = 83330128.

The previous prime is 83330101. The next prime is 83330167. The reversal of 83330129 is 92103338.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60481729 + 22848400 = 7777^2 + 4780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-83330129 is a prime.

It is a Chen prime.

It is equal to p4852307 and since 83330129 and 4852307 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (83330189) 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, 41665064 + 41665065.

It is an arithmetic number, because the mean of its divisors is an integer number (41665065).

Almost surely, 283330129 is an apocalyptic number.

It is an amenable number.

83330129 is a deficient number, since it is larger than the sum of its proper divisors (1).

83330129 is an equidigital number, since it uses as much as digits as its factorization.

83330129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 83330129 is about 9128.5337815007. The cubic root of 83330129 is about 436.7846338104.

The spelling of 83330129 in words is "eighty-three million, three hundred thirty thousand, one hundred twenty-nine".