Base | Representation |
---|---|
bin | 11011111100100001… |
… | …110111100001110101 |
3 | 2212110012121012010100 |
4 | 123330201313201311 |
5 | 442423133243110 |
6 | 21441304144313 |
7 | 2111406246042 |
oct | 337441674165 |
9 | 85405535110 |
10 | 30006540405 |
11 | 117a8a00a26 |
12 | 5995168099 |
13 | 2aa284506a |
14 | 164926c1c9 |
15 | ba94bbbc0 |
hex | 6fc877875 |
30006540405 has 24 divisors (see below), whose sum is σ = 52516309248. Its totient is φ = 15848112096.
The previous prime is 30006540379. The next prime is 30006540451. The reversal of 30006540405 is 50404560003.
30006540405 is a `hidden beast` number, since 3 + 0 + 0 + 0 + 654 + 0 + 4 + 0 + 5 = 666.
It is not a de Polignac number, because 30006540405 - 211 = 30006538357 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3232317 + ... + 3241586.
It is an arithmetic number, because the mean of its divisors is an integer number (2188179552).
Almost surely, 230006540405 is an apocalyptic number.
It is an amenable number.
30006540405 is a deficient number, since it is larger than the sum of its proper divisors (22509768843).
30006540405 is a wasteful number, since it uses less digits than its factorization.
30006540405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6474017 (or 6474014 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
The spelling of 30006540405 in words is "thirty billion, six million, five hundred forty thousand, four hundred five".
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