Base | Representation |
---|---|
bin | 11100001111010010… |
… | …100111110100111001 |
3 | 2220021010220012020202 |
4 | 130033102213310321 |
5 | 444044223423113 |
6 | 21532430531545 |
7 | 2122250614466 |
oct | 341722476471 |
9 | 86233805222 |
10 | 30321311033 |
11 | 1194a653842 |
12 | 5a62666bb5 |
13 | 2b22b14c80 |
14 | 1678da866d |
15 | bc6e47258 |
hex | 70f4a7d39 |
30321311033 has 8 divisors (see below), whose sum is σ = 34073446848. Its totient is φ = 26771993424.
The previous prime is 30321310973. The next prime is 30321311057. The reversal of 30321311033 is 33011312303.
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 30321311033 - 26 = 30321310969 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30321310996 and 30321311014.
It is not an unprimeable number, because it can be changed into a prime (30321311533) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50704235 + ... + 50704832.
It is an arithmetic number, because the mean of its divisors is an integer number (4259180856).
Almost surely, 230321311033 is an apocalyptic number.
It is an amenable number.
30321311033 is a deficient number, since it is larger than the sum of its proper divisors (3752135815).
30321311033 is a wasteful number, since it uses less digits than its factorization.
30321311033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101409103.
The product of its (nonzero) digits is 486, while the sum is 20.
Adding to 30321311033 its reverse (33011312303), we get a palindrome (63332623336).
The spelling of 30321311033 in words is "thirty billion, three hundred twenty-one million, three hundred eleven thousand, thirty-three".
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