Base | Representation |
---|---|
bin | 11100110110100011… |
… | …100100000111000000 |
3 | 2221222001110021222221 |
4 | 130312203210013000 |
5 | 1001421344014210 |
6 | 22122042140424 |
7 | 2144500124236 |
oct | 346643440700 |
9 | 87861407887 |
10 | 30980063680 |
11 | 12158490415 |
12 | 60071b1714 |
13 | 2bc9441b37 |
14 | 16dc686956 |
15 | c14bbd1da |
hex | 7368e41c0 |
30980063680 has 28 divisors (see below), whose sum is σ = 73771277400. Its totient is φ = 12392025344.
The previous prime is 30980063641. The next prime is 30980063689. The reversal of 30980063680 is 8636008903.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30980063689) 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, 48406030 + ... + 48406669.
Almost surely, 230980063680 is an apocalyptic number.
It is an amenable number.
30980063680 is an abundant number, since it is smaller than the sum of its proper divisors (42791213720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30980063680 is an equidigital number, since it uses as much as digits as its factorization.
30980063680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 96812716 (or 96812706 counting only the distinct ones).
The product of its (nonzero) digits is 186624, while the sum is 43.
The spelling of 30980063680 in words is "thirty billion, nine hundred eighty million, sixty-three thousand, six hundred eighty".
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