Base | Representation |
---|---|
bin | 11100001111110101… |
… | …000101001011001110 |
3 | 2220021202220010100100 |
4 | 130033311011023032 |
5 | 444104032003032 |
6 | 21533352311530 |
7 | 2122420446210 |
oct | 341765051316 |
9 | 86252803310 |
10 | 30330344142 |
11 | 1195476351a |
12 | 5a656a25a6 |
13 | 2b249586c7 |
14 | 167a27a5b0 |
15 | bc7b2d97c |
hex | 70fd452ce |
30330344142 has 48 divisors (see below), whose sum is σ = 75792768480. Its totient is φ = 8586305856.
The previous prime is 30330344129. The next prime is 30330344159. The reversal of 30330344142 is 24144303303.
30330344142 is a `hidden beast` number, since 303 + 3 + 0 + 344 + 14 + 2 = 666.
It is a super-3 number, since 3×303303441423 (a number of 32 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 1090473 + ... + 1117940.
It is an arithmetic number, because the mean of its divisors is an integer number (1579016010).
Almost surely, 230330344142 is an apocalyptic number.
30330344142 is an abundant number, since it is smaller than the sum of its proper divisors (45462424338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30330344142 is a wasteful number, since it uses less digits than its factorization.
30330344142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2208537 (or 2208534 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 27.
Adding to 30330344142 its reverse (24144303303), we get a palindrome (54474647445).
The spelling of 30330344142 in words is "thirty billion, three hundred thirty million, three hundred forty-four thousand, one hundred forty-two".
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