Base | Representation |
---|---|
bin | 11011111110011110… |
… | …001011110000100100 |
3 | 2212112110220212102221 |
4 | 123332132023300210 |
5 | 443010004112444 |
6 | 21444430442124 |
7 | 2112253245634 |
oct | 337636136044 |
9 | 85473825387 |
10 | 30039129124 |
11 | 1181533a354 |
12 | 59a4063344 |
13 | 2aa9515424 |
14 | 164d7126c4 |
15 | bac2a7a84 |
hex | 6fe78bc24 |
30039129124 has 27 divisors (see below), whose sum is σ = 55493023761. Its totient is φ = 14225941440.
The previous prime is 30039129121. The next prime is 30039129179. The reversal of 30039129124 is 42192193003.
The square root of 30039129124 is 173318.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 10056479524 + 19982649600 = 100282^2 + 141360^2 .
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30039129124.
It is not an unprimeable number, because it can be changed into a prime (30039129121) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6583804 + ... + 6588364.
Almost surely, 230039129124 is an apocalyptic number.
30039129124 is the 173318-th square number.
It is an amenable number.
30039129124 is a deficient number, since it is larger than the sum of its proper divisors (25453894637).
30039129124 is an frugal number, since it uses more digits than its factorization.
30039129124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9164 (or 4582 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 34.
Multiplying 30039129124 by its product of nonzero digits (11664), we get a square (350376402102336 = 187183442).
The spelling of 30039129124 in words is "thirty billion, thirty-nine million, one hundred twenty-nine thousand, one hundred twenty-four".
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