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128143033 is a prime number
BaseRepresentation
bin1111010001101…
…00111010111001
322221010100012021
413220310322321
5230301034113
620414314441
73114124564
oct750647271
9287110167
10128143033
1166373837
1236ab8a21
13207184a5
14130394db
15b3b348d
hex7a34eb9

128143033 has 2 divisors, whose sum is σ = 128143034. Its totient is φ = 128143032.

The previous prime is 128143007. The next prime is 128143063. The reversal of 128143033 is 330341821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105513984 + 22629049 = 10272^2 + 4757^2 .

It is a cyclic number.

It is not a de Polignac number, because 128143033 - 225 = 94588601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128142989 and 128143007.

It is not a weakly prime, because it can be changed into another prime (128143063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64071516 + 64071517.

It is an arithmetic number, because the mean of its divisors is an integer number (64071517).

Almost surely, 2128143033 is an apocalyptic number.

It is an amenable number.

128143033 is a deficient number, since it is larger than the sum of its proper divisors (1).

128143033 is an equidigital number, since it uses as much as digits as its factorization.

128143033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 128143033 is about 11320.0279593294. The cubic root of 128143033 is about 504.1560691289.

Adding to 128143033 its reverse (330341821), we get a palindrome (458484854).

The spelling of 128143033 in words is "one hundred twenty-eight million, one hundred forty-three thousand, thirty-three".