Search a number
-
+
70488382009 is a prime number
BaseRepresentation
bin100000110100101101…
…1110101101000111001
320201221110022211001011
41001221123311220321
52123330011211014
652214254353521
75043524234623
oct1015133655071
9221843284034
1070488382009
1127991943771
12117b24bb8a1
1368546925a6
1435a9825c13
151c784317c4
hex10696f5a39

70488382009 has 2 divisors, whose sum is σ = 70488382010. Its totient is φ = 70488382008.

The previous prime is 70488381991. The next prime is 70488382039. The reversal of 70488382009 is 90028388407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44617267984 + 25871114025 = 211228^2 + 160845^2 .

It is an emirp because it is prime and its reverse (90028388407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70488382009 - 219 = 70487857721 is a prime.

It is a super-2 number, since 2×704883820092 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70488382039) 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, 35244191004 + 35244191005.

It is an arithmetic number, because the mean of its divisors is an integer number (35244191005).

Almost surely, 270488382009 is an apocalyptic number.

It is an amenable number.

70488382009 is a deficient number, since it is larger than the sum of its proper divisors (1).

70488382009 is an equidigital number, since it uses as much as digits as its factorization.

70488382009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 70488382009 in words is "seventy billion, four hundred eighty-eight million, three hundred eighty-two thousand, nine".