Base | Representation |
---|---|
bin | 11100000101111010… |
… | …101101100110010000 |
3 | 2212212011222102022001 |
4 | 130011322231212100 |
5 | 443233444021042 |
6 | 21505052123344 |
7 | 2115331115461 |
oct | 340572554620 |
9 | 85764872261 |
10 | 30164048272 |
11 | 11879900a16 |
12 | 5a19a66554 |
13 | 2ac9372397 |
14 | 166214cd68 |
15 | bb8230bb7 |
hex | 705ead990 |
30164048272 has 80 divisors (see below), whose sum is σ = 62071374400. Its totient is φ = 14160407040.
The previous prime is 30164048263. The next prime is 30164048279. The reversal of 30164048272 is 27284046103.
It is not an unprimeable number, because it can be changed into a prime (30164048279) 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 15 ways as a sum of consecutive naturals, for example, 29543122 + ... + 29544142.
It is an arithmetic number, because the mean of its divisors is an integer number (775892180).
Almost surely, 230164048272 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30164048272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31035687200).
30164048272 is an abundant number, since it is smaller than the sum of its proper divisors (31907326128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30164048272 is a wasteful number, since it uses less digits than its factorization.
30164048272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1824 (or 1818 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 37.
The spelling of 30164048272 in words is "thirty billion, one hundred sixty-four million, forty-eight thousand, two hundred seventy-two".
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