Base | Representation |
---|---|
bin | 11100010101010000… |
… | …111110000101011100 |
3 | 2220112010111102012121 |
4 | 130111100332011130 |
5 | 444300403304322 |
6 | 21550411112324 |
7 | 2124605555656 |
oct | 342520760534 |
9 | 86463442177 |
10 | 30421541212 |
11 | 119a11921a7 |
12 | 5a901426a4 |
13 | 2b3a80947a |
14 | 16884196d6 |
15 | bd0b44ec7 |
hex | 71543e15c |
30421541212 has 12 divisors (see below), whose sum is σ = 56039681320. Its totient is φ = 14410203696.
The previous prime is 30421541177. The next prime is 30421541239. The reversal of 30421541212 is 21214512403.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200141643 + ... + 200141794.
Almost surely, 230421541212 is an apocalyptic number.
It is an amenable number.
30421541212 is a deficient number, since it is larger than the sum of its proper divisors (25618140108).
30421541212 is a wasteful number, since it uses less digits than its factorization.
30421541212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 400283460 (or 400283458 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 25.
The spelling of 30421541212 in words is "thirty billion, four hundred twenty-one million, five hundred forty-one thousand, two hundred twelve".
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