Search a number
-
+
128485003 is a prime number
BaseRepresentation
bin1111010100010…
…00011010001011
322221202201021211
413222020122023
5230343010003
620425513551
73120050563
oct752103213
9287681254
10128485003
1166587759
12370428b7
132080803a
14130c7da3
15b42e96d
hex7a8868b

128485003 has 2 divisors, whose sum is σ = 128485004. Its totient is φ = 128485002.

The previous prime is 128485001. The next prime is 128485033. The reversal of 128485003 is 300584821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128485003 - 21 = 128485001 is a prime.

Together with 128485001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (128485001) 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, 64242501 + 64242502.

It is an arithmetic number, because the mean of its divisors is an integer number (64242502).

Almost surely, 2128485003 is an apocalyptic number.

128485003 is a deficient number, since it is larger than the sum of its proper divisors (1).

128485003 is an equidigital number, since it uses as much as digits as its factorization.

128485003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 128485003 is about 11335.1225401404. The cubic root of 128485003 is about 504.6041442458.

The spelling of 128485003 in words is "one hundred twenty-eight million, four hundred eighty-five thousand, three".