Base | Representation |
---|---|
bin | 11100110000111010… |
… | …000011110000110000 |
3 | 2221201110010122211022 |
4 | 130300322003300300 |
5 | 1001223114002300 |
6 | 22104415035012 |
7 | 2142236460152 |
oct | 346072036060 |
9 | 87643118738 |
10 | 30885297200 |
11 | 12109a43a0a |
12 | 5b9b50ba68 |
13 | 2bb29114b4 |
14 | 16cdc58ad2 |
15 | c0b6ee285 |
hex | 730e83c30 |
30885297200 has 60 divisors (see below), whose sum is σ = 74300676000. Its totient is φ = 12337678080.
The previous prime is 30885297197. The next prime is 30885297217. The reversal of 30885297200 is 279258803.
It is a super-4 number, since 4×308852972004 (a number of 43 digits) contains 4444 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251801 + ... + 353799.
It is an arithmetic number, because the mean of its divisors is an integer number (1238344600).
Almost surely, 230885297200 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 30885297200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37150338000).
30885297200 is an abundant number, since it is smaller than the sum of its proper divisors (43415378800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30885297200 is a wasteful number, since it uses less digits than its factorization.
30885297200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102774 (or 102763 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 44.
The spelling of 30885297200 in words is "thirty billion, eight hundred eighty-five million, two hundred ninety-seven thousand, two hundred".
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