Search a number
-
+
1530130009 is a prime number
BaseRepresentation
bin101101100110011…
…1110111001011001
310221122012122202211
41123030332321121
511113203130014
6411455555121
752626614302
oct13314767131
93848178684
101530130009
1171579a361
1236852baa1
131b5011495
141073077a9
158e4ebcc4
hex5b33ee59

1530130009 has 2 divisors, whose sum is σ = 1530130010. Its totient is φ = 1530130008.

The previous prime is 1530130003. The next prime is 1530130037. The reversal of 1530130009 is 9000310351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1333345225 + 196784784 = 36515^2 + 14028^2 .

It is an emirp because it is prime and its reverse (9000310351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1530130009 - 23 = 1530130001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1530130001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765065004 + 765065005.

It is an arithmetic number, because the mean of its divisors is an integer number (765065005).

Almost surely, 21530130009 is an apocalyptic number.

It is an amenable number.

1530130009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530130009 is an equidigital number, since it uses as much as digits as its factorization.

1530130009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405, while the sum is 22.

The square root of 1530130009 is about 39116.8762684343. The cubic root of 1530130009 is about 1152.3279896622.

The spelling of 1530130009 in words is "one billion, five hundred thirty million, one hundred thirty thousand, nine".