Base | Representation |
---|---|
bin | 1101110100010111001001… |
… | …11010001110100000001010 |
3 | 10222120220201012002002112200 |
4 | 12322023210322032200022 |
5 | 12440322411403332111 |
6 | 144343200514421030 |
7 | 6254230200620451 |
oct | 672134472164012 |
9 | 128526635062480 |
10 | 30386439120906 |
11 | 97558a8790260 |
12 | 34a9118b91776 |
13 | 13c557642967b |
14 | 7709d6501b98 |
15 | 37a64adce256 |
hex | 1ba2e4e8e80a |
30386439120906 has 48 divisors (see below), whose sum is σ = 72481414468320. Its totient is φ = 9123534675360.
The previous prime is 30386439120889. The next prime is 30386439120929. The reversal of 30386439120906 is 60902193468303.
30386439120906 is a `hidden beast` number, since 3 + 0 + 3 + 86 + 439 + 120 + 9 + 0 + 6 = 666.
It is a super-3 number, since 3×303864391209063 (a number of 41 digits) contains 333 as substring.
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, 703954860 + ... + 703998023.
It is an arithmetic number, because the mean of its divisors is an integer number (1510029468090).
Almost surely, 230386439120906 is an apocalyptic number.
30386439120906 is an abundant number, since it is smaller than the sum of its proper divisors (42094975347414).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30386439120906 is a wasteful number, since it uses less digits than its factorization.
30386439120906 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1407953011 (or 1407953008 counting only the distinct ones).
The product of its (nonzero) digits is 5038848, while the sum is 54.
The spelling of 30386439120906 in words is "thirty trillion, three hundred eighty-six billion, four hundred thirty-nine million, one hundred twenty thousand, nine hundred six".
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