Base | Representation |
---|---|
bin | 11011111100111011… |
… | …011011101010111000 |
3 | 2212110200012200001001 |
4 | 123330323123222320 |
5 | 442431342221130 |
6 | 21442103534344 |
7 | 2111520230245 |
oct | 337473335270 |
9 | 85420180031 |
10 | 30013242040 |
11 | 11801768a71 |
12 | 599745a3b4 |
13 | 2aa4050522 |
14 | 164a0d45cc |
15 | ba9d926ca |
hex | 6fcedbab8 |
30013242040 has 16 divisors (see below), whose sum is σ = 67529794680. Its totient is φ = 12005296800.
The previous prime is 30013242031. The next prime is 30013242047. The reversal of 30013242040 is 4024231003.
It is a junction number, because it is equal to n+sod(n) for n = 30013241999 and 30013242017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30013242047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375165486 + ... + 375165565.
Almost surely, 230013242040 is an apocalyptic number.
It is an amenable number.
30013242040 is an abundant number, since it is smaller than the sum of its proper divisors (37516552640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30013242040 is a wasteful number, since it uses less digits than its factorization.
30013242040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 750331062 (or 750331058 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 19.
Adding to 30013242040 its reverse (4024231003), we get a palindrome (34037473043).
The spelling of 30013242040 in words is "thirty billion, thirteen million, two hundred forty-two thousand, forty".
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