Base | Representation |
---|---|
bin | 11100000100100011… |
… | …010000111001111100 |
3 | 2212210120211202102002 |
4 | 130010203100321330 |
5 | 443212111433340 |
6 | 21502512521432 |
7 | 2114632220504 |
oct | 340443207174 |
9 | 85716752362 |
10 | 30141124220 |
11 | 11867973819 |
12 | 5a12250278 |
13 | 2ac46a705c |
14 | 165d0a2a04 |
15 | bb6203715 |
hex | 7048d0e7c |
30141124220 has 12 divisors (see below), whose sum is σ = 63296360904. Its totient is φ = 12056449680.
The previous prime is 30141124207. The next prime is 30141124283. The reversal of 30141124220 is 2242114103.
It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1507056211 = 30141124220 / (3 + 0 + 1 + 4 + 1 + 1 + 2 + 4 + 2 + 2 + 0).
It is a junction number, because it is equal to n+sod(n) for n = 30141124192 and 30141124201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753528086 + ... + 753528125.
It is an arithmetic number, because the mean of its divisors is an integer number (5274696742).
Almost surely, 230141124220 is an apocalyptic number.
It is an amenable number.
30141124220 is an abundant number, since it is smaller than the sum of its proper divisors (33155236684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30141124220 is a wasteful number, since it uses less digits than its factorization.
30141124220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1507056220 (or 1507056218 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 30141124220 its reverse (2242114103), we get a palindrome (32383238323).
The spelling of 30141124220 in words is "thirty billion, one hundred forty-one million, one hundred twenty-four thousand, two hundred twenty".
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