Base | Representation |
---|---|
bin | 11100011100010100… |
… | …111001101110011010 |
3 | 2220211101102101011221 |
4 | 130130110321232122 |
5 | 1000021220344232 |
6 | 22010242242254 |
7 | 2130544552102 |
oct | 343424715632 |
9 | 86741371157 |
10 | 30540012442 |
11 | 11a5204a405 |
12 | 5b0395638a |
13 | 2b592195a4 |
14 | 169a058202 |
15 | bdb247897 |
hex | 71c539b9a |
30540012442 has 8 divisors (see below), whose sum is σ = 46084330656. Its totient is φ = 15178568892.
The previous prime is 30540012409. The next prime is 30540012443. The reversal of 30540012442 is 24421004503.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (30540012443) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45718248 + ... + 45718915.
It is an arithmetic number, because the mean of its divisors is an integer number (5760541332).
Almost surely, 230540012442 is an apocalyptic number.
30540012442 is a deficient number, since it is larger than the sum of its proper divisors (15544318214).
30540012442 is a wasteful number, since it uses less digits than its factorization.
30540012442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91437332.
The product of its (nonzero) digits is 3840, while the sum is 25.
Adding to 30540012442 its reverse (24421004503), we get a palindrome (54961016945).
The spelling of 30540012442 in words is "thirty billion, five hundred forty million, twelve thousand, four hundred forty-two".
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