Base | Representation |
---|---|
bin | 11011111100001101… |
… | …000111110100100000 |
3 | 2212102211100220012002 |
4 | 123330031013310200 |
5 | 442420240231422 |
6 | 21440551423132 |
7 | 2111312106002 |
oct | 337415076440 |
9 | 85384326162 |
10 | 30001102112 |
11 | 117a5927073 |
12 | 5993384aa8 |
13 | 2aa168c937 |
14 | 1648654372 |
15 | ba8c95692 |
hex | 6fc347d20 |
30001102112 has 48 divisors (see below), whose sum is σ = 61708832640. Its totient is φ = 14330629632.
The previous prime is 30001102111. The next prime is 30001102123. The reversal of 30001102112 is 21120110003.
It is a super-2 number, since 2×300011021122 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30001102093 and 30001102102.
It is not an unprimeable number, because it can be changed into a prime (30001102111) 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, 580964 + ... + 630492.
It is an arithmetic number, because the mean of its divisors is an integer number (1285600680).
Almost surely, 230001102112 is an apocalyptic number.
30001102112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30001102112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30854416320).
30001102112 is an abundant number, since it is smaller than the sum of its proper divisors (31707730528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30001102112 is a wasteful number, since it uses less digits than its factorization.
30001102112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50385 (or 50377 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 11.
Adding to 30001102112 its reverse (21120110003), we get a palindrome (51121212115).
The spelling of 30001102112 in words is "thirty billion, one million, one hundred two thousand, one hundred twelve".
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