Base | Representation |
---|---|
bin | 11011111110110000… |
… | …000010100011111000 |
3 | 2212112210201200110012 |
4 | 123332300002203320 |
5 | 443012203410130 |
6 | 21445115041052 |
7 | 2112341112626 |
oct | 337660024370 |
9 | 85483650405 |
10 | 30043810040 |
11 | 11817a47182 |
12 | 59a5740188 |
13 | 2aaa493bba |
14 | 16501b0516 |
15 | bac8ce995 |
hex | 6fec028f8 |
30043810040 has 32 divisors (see below), whose sum is σ = 71156394000. Its totient is φ = 11385022464.
The previous prime is 30043810001. The next prime is 30043810057. The reversal of 30043810040 is 4001834003.
It is a junction number, because it is equal to n+sod(n) for n = 30043809988 and 30043810015.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19764905 + ... + 19766424.
Almost surely, 230043810040 is an apocalyptic number.
It is an amenable number.
30043810040 is an abundant number, since it is smaller than the sum of its proper divisors (41112583960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30043810040 is a wasteful number, since it uses less digits than its factorization.
30043810040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39531359 (or 39531355 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 23.
The spelling of 30043810040 in words is "thirty billion, forty-three million, eight hundred ten thousand, forty".
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