Base | Representation |
---|---|
bin | 100000110100101101… |
… | …1110101101000111001 |
3 | 20201221110022211001011 |
4 | 1001221123311220321 |
5 | 2123330011211014 |
6 | 52214254353521 |
7 | 5043524234623 |
oct | 1015133655071 |
9 | 221843284034 |
10 | 70488382009 |
11 | 27991943771 |
12 | 117b24bb8a1 |
13 | 68546925a6 |
14 | 35a9825c13 |
15 | 1c784317c4 |
hex | 10696f5a39 |
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".
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