Base | Representation |
---|---|
bin | 11100001110110000… |
… | …101101111011111010 |
3 | 2220020112011122101100 |
4 | 130032300231323322 |
5 | 444034440020122 |
6 | 21531512232230 |
7 | 2122112226360 |
oct | 341660557372 |
9 | 86215148340 |
10 | 30312423162 |
11 | 1194563319a |
12 | 5a5b69b676 |
13 | 2b21022688 |
14 | 1677b33630 |
15 | bc628daac |
hex | 70ec2defa |
30312423162 has 96 divisors (see below), whose sum is σ = 77728195584. Its totient is φ = 8354534400.
The previous prime is 30312423157. The next prime is 30312423179. The reversal of 30312423162 is 26132421303.
30312423162 is a `hidden beast` number, since 30 + 312 + 4 + 2 + 316 + 2 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1225962 + ... + 1250442.
It is an arithmetic number, because the mean of its divisors is an integer number (809668704).
Almost surely, 230312423162 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30312423162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38864097792).
30312423162 is an abundant number, since it is smaller than the sum of its proper divisors (47415772422).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30312423162 is a wasteful number, since it uses less digits than its factorization.
30312423162 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24844 (or 24841 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 27.
Adding to 30312423162 its reverse (26132421303), we get a palindrome (56444844465).
The spelling of 30312423162 in words is "thirty billion, three hundred twelve million, four hundred twenty-three thousand, one hundred sixty-two".
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