Base | Representation |
---|---|
bin | 11011111110101110… |
… | …110001110010111100 |
3 | 2212112210002212122220 |
4 | 123332232301302330 |
5 | 443012112313403 |
6 | 21445104005340 |
7 | 2112335234310 |
oct | 337656616274 |
9 | 85483085586 |
10 | 30043479228 |
11 | 11817840684 |
12 | 59a5600850 |
13 | 2aaa3a9459 |
14 | 1650125b40 |
15 | bac866953 |
hex | 6febb1cbc |
30043479228 has 48 divisors (see below), whose sum is σ = 84828651264. Its totient is φ = 8078918400.
The previous prime is 30043479199. The next prime is 30043479239. The reversal of 30043479228 is 82297434003.
It is a super-2 number, since 2×300434792282 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a self number, because there is not a number n which added to its sum of digits gives 30043479228.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10517998 + ... + 10520853.
It is an arithmetic number, because the mean of its divisors is an integer number (1767263568).
Almost surely, 230043479228 is an apocalyptic number.
It is an amenable number.
30043479228 is an abundant number, since it is smaller than the sum of its proper divisors (54785172036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30043479228 is a wasteful number, since it uses less digits than its factorization.
30043479228 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21038882 (or 21038880 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 42.
The spelling of 30043479228 in words is "thirty billion, forty-three million, four hundred seventy-nine thousand, two hundred twenty-eight".
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