Base | Representation |
---|---|
bin | 11100011101001110… |
… | …001100011010100001 |
3 | 2220212102200102001021 |
4 | 130131032030122201 |
5 | 1000034041444301 |
6 | 22011540205441 |
7 | 2131116323422 |
oct | 343516143241 |
9 | 86772612037 |
10 | 30555031201 |
11 | 11a5a578202 |
12 | 5b08999881 |
13 | 2b5c377626 |
14 | 169c047649 |
15 | bdc7128a1 |
hex | 71d38c6a1 |
30555031201 has 4 divisors (see below), whose sum is σ = 30592800900. Its totient is φ = 30517261504.
The previous prime is 30555031189. The next prime is 30555031207. The reversal of 30555031201 is 10213055503.
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 27217080576 + 3337950625 = 164976^2 + 57775^2 .
It is a cyclic number.
It is not a de Polignac number, because 30555031201 - 233 = 21965096609 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30555031207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18883636 + ... + 18885253.
It is an arithmetic number, because the mean of its divisors is an integer number (7648200225).
Almost surely, 230555031201 is an apocalyptic number.
It is an amenable number.
30555031201 is a deficient number, since it is larger than the sum of its proper divisors (37769699).
30555031201 is an equidigital number, since it uses as much as digits as its factorization.
30555031201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37769698.
The product of its (nonzero) digits is 2250, while the sum is 25.
Adding to 30555031201 its reverse (10213055503), we get a palindrome (40768086704).
The spelling of 30555031201 in words is "thirty billion, five hundred fifty-five million, thirty-one thousand, two hundred one".
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