Base | Representation |
---|---|
bin | 11100000011111001… |
… | …111111000010010000 |
3 | 2212202211110222122121 |
4 | 130003321333002100 |
5 | 443201324144440 |
6 | 21501444544024 |
7 | 2114441231221 |
oct | 340371770220 |
9 | 85684428577 |
10 | 30130303120 |
11 | 11861852765 |
12 | 5a0a6b2014 |
13 | 2ac2388838 |
14 | 165b887248 |
15 | bb52b734a |
hex | 703e7f090 |
30130303120 has 40 divisors (see below), whose sum is σ = 70093515960. Its totient is φ = 12045143040.
The previous prime is 30130303111. The next prime is 30130303121. The reversal of 30130303120 is 2130303103.
It can be written as a sum of positive squares in 4 ways, for example, as 133448704 + 29996854416 = 11552^2 + 173196^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-2 number, since 2×301303031202 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a junction number, because it is equal to n+sod(n) for n = 30130303094 and 30130303103.
It is not an unprimeable number, because it can be changed into a prime (30130303121) 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, 31116 + ... + 247444.
It is an arithmetic number, because the mean of its divisors is an integer number (1752337899).
Almost surely, 230130303120 is an apocalyptic number.
It is an amenable number.
30130303120 is an abundant number, since it is smaller than the sum of its proper divisors (39963212840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30130303120 is a wasteful number, since it uses less digits than its factorization.
30130303120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 218083 (or 218077 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 16.
Adding to 30130303120 its reverse (2130303103), we get a palindrome (32260606223).
The spelling of 30130303120 in words is "thirty billion, one hundred thirty million, three hundred three thousand, one hundred twenty".
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