Base | Representation |
---|---|
bin | 11100000010110000… |
… | …010110011011111000 |
3 | 2212201111011022011210 |
4 | 130002300112123320 |
5 | 443131404002222 |
6 | 21455515123120 |
7 | 2114115164631 |
oct | 340260263370 |
9 | 85644138153 |
10 | 30111000312 |
11 | 11851969228 |
12 | 5a041434a0 |
13 | 2abb38a863 |
14 | 16590a0888 |
15 | bb3752d0c |
hex | 702c166f8 |
30111000312 has 16 divisors (see below), whose sum is σ = 75277500840. Its totient is φ = 10037000096.
The previous prime is 30111000263. The next prime is 30111000317. The reversal of 30111000312 is 21300011103.
It is a super-3 number, since 3×301110003123 (a number of 32 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30111000317) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627312483 + ... + 627312530.
Almost surely, 230111000312 is an apocalyptic number.
It is an amenable number.
30111000312 is an abundant number, since it is smaller than the sum of its proper divisors (45166500528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30111000312 is a wasteful number, since it uses less digits than its factorization.
30111000312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1254625022 (or 1254625018 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 12.
Adding to 30111000312 its reverse (21300011103), we get a palindrome (51411011415).
The spelling of 30111000312 in words is "thirty billion, one hundred eleven million, three hundred twelve", and thus it is an aban number.
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