Base | Representation |
---|---|
bin | 101111111110100010… |
… | …0101101111001001101 |
3 | 100211221100100101110212 |
4 | 1133331010231321031 |
5 | 3142001202320023 |
6 | 115155325012205 |
7 | 10305116366432 |
oct | 1377504557115 |
9 | 324840311425 |
10 | 103030120013 |
11 | 3a7708a9117 |
12 | 17b746b4065 |
13 | 993c50b772 |
14 | 4db5667b89 |
15 | 2a3027ce78 |
hex | 17fd12de4d |
103030120013 has 4 divisors (see below), whose sum is σ = 103031304348. Its totient is φ = 103028935680.
The previous prime is 103030120003. The next prime is 103030120019. The reversal of 103030120013 is 310021030301.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 47750116324 + 55280003689 = 218518^2 + 235117^2 .
It is a cyclic number.
It is not a de Polignac number, because 103030120013 - 212 = 103030115917 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 103030120013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103030120019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450356 + ... + 639437.
It is an arithmetic number, because the mean of its divisors is an integer number (25757826087).
Almost surely, 2103030120013 is an apocalyptic number.
It is an amenable number.
103030120013 is a deficient number, since it is larger than the sum of its proper divisors (1184335).
103030120013 is an equidigital number, since it uses as much as digits as its factorization.
103030120013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1184334.
The product of its (nonzero) digits is 54, while the sum is 14.
Adding to 103030120013 its reverse (310021030301), we get a palindrome (413051150314).
The spelling of 103030120013 in words is "one hundred three billion, thirty million, one hundred twenty thousand, thirteen".
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