Base | Representation |
---|---|
bin | 11100011011010000… |
… | …101110000111111001 |
3 | 2220210010210022121101 |
4 | 130123100232013321 |
5 | 1000002131423004 |
6 | 22004403211401 |
7 | 2130236621236 |
oct | 343320560771 |
9 | 86703708541 |
10 | 30522139129 |
11 | 11a42a51979 |
12 | 5ab9976b61 |
13 | 2b555cc171 |
14 | 169792478d |
15 | bd98b6ba4 |
hex | 71b42e1f9 |
30522139129 has 2 divisors, whose sum is σ = 30522139130. Its totient is φ = 30522139128.
The previous prime is 30522139033. The next prime is 30522139177. The reversal of 30522139129 is 92193122503.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 28814383504 + 1707755625 = 169748^2 + 41325^2 .
It is an emirp because it is prime and its reverse (92193122503) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30522139129 - 211 = 30522137081 is a prime.
It is a super-3 number, since 3×305221391293 (a number of 32 digits) contains 333 as substring.
It is not a weakly prime, because it can be changed into another prime (30522139229) 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, 15261069564 + 15261069565.
It is an arithmetic number, because the mean of its divisors is an integer number (15261069565).
Almost surely, 230522139129 is an apocalyptic number.
It is an amenable number.
30522139129 is a deficient number, since it is larger than the sum of its proper divisors (1).
30522139129 is an equidigital number, since it uses as much as digits as its factorization.
30522139129 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 29160, while the sum is 37.
The spelling of 30522139129 in words is "thirty billion, five hundred twenty-two million, one hundred thirty-nine thousand, one hundred twenty-nine".
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