Base | Representation |
---|---|
bin | 11100011100010011… |
… | …011111111110000110 |
3 | 2220211100201200212210 |
4 | 130130103133332012 |
5 | 1000021122113211 |
6 | 22010230324250 |
7 | 2130541461216 |
oct | 343423377606 |
9 | 86740650783 |
10 | 30539644806 |
11 | 11a51919180 |
12 | 5b037b9686 |
13 | 2b5911b158 |
14 | 1699da0246 |
15 | bdb1c39a6 |
hex | 71c4dff86 |
30539644806 has 32 divisors (see below), whose sum is σ = 66720784896. Its totient is φ = 9242100000.
The previous prime is 30539644799. The next prime is 30539644903. The reversal of 30539644806 is 60844693503.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258505 + ... + 357636.
It is an arithmetic number, because the mean of its divisors is an integer number (2085024528).
Almost surely, 230539644806 is an apocalyptic number.
30539644806 is an abundant number, since it is smaller than the sum of its proper divisors (36181140090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30539644806 is a wasteful number, since it uses less digits than its factorization.
30539644806 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 616908.
The product of its (nonzero) digits is 1866240, while the sum is 48.
The spelling of 30539644806 in words is "thirty billion, five hundred thirty-nine million, six hundred forty-four thousand, eight hundred six".
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