Base | Representation |
---|---|
bin | 11100001000110110… |
… | …101010110101100001 |
3 | 2212222121200200110002 |
4 | 130020312222311201 |
5 | 443334102220113 |
6 | 21514012145345 |
7 | 2116466661101 |
oct | 341066526541 |
9 | 85877620402 |
10 | 30213320033 |
11 | 118a46a4586 |
12 | 5a32468255 |
13 | 2b06634180 |
14 | 16688d7201 |
15 | bbc714c58 |
hex | 708daad61 |
30213320033 has 8 divisors (see below), whose sum is σ = 32541940200. Its totient is φ = 27885345408.
The previous prime is 30213320017. The next prime is 30213320047. The reversal of 30213320033 is 33002331203.
It can be written as a sum of positive squares in 4 ways, for example, as 1509167104 + 28704152929 = 38848^2 + 169423^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30213320033 - 24 = 30213320017 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30213319987 and 30213320014.
It is not an unprimeable number, because it can be changed into a prime (30213340033) 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 7 ways as a sum of consecutive naturals, for example, 61898 + ... + 253491.
It is an arithmetic number, because the mean of its divisors is an integer number (4067742525).
Almost surely, 230213320033 is an apocalyptic number.
It is an amenable number.
30213320033 is a deficient number, since it is larger than the sum of its proper divisors (2328620167).
30213320033 is a wasteful number, since it uses less digits than its factorization.
30213320033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 322771.
The product of its (nonzero) digits is 972, while the sum is 20.
Adding to 30213320033 its reverse (33002331203), we get a palindrome (63215651236).
The spelling of 30213320033 in words is "thirty billion, two hundred thirteen million, three hundred twenty thousand, thirty-three".
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