Base | Representation |
---|---|
bin | 11100010101010000… |
… | …001011000001001001 |
3 | 2220112010002210021112 |
4 | 130111100023001021 |
5 | 444300330111131 |
6 | 21550402420105 |
7 | 2124604025102 |
oct | 342520130111 |
9 | 86463083245 |
10 | 30421332041 |
11 | 119a105a031 |
12 | 5a90061635 |
13 | 2b3a7651b9 |
14 | 16883a33a9 |
15 | bd0b0302b |
hex | 71540b049 |
30421332041 has 8 divisors (see below), whose sum is σ = 32626653120. Its totient is φ = 28276430832.
The previous prime is 30421332017. The next prime is 30421332061. The reversal of 30421332041 is 14023312403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30421332041 - 218 = 30421069897 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30421331998 and 30421332016.
It is not an unprimeable number, because it can be changed into a prime (30421332061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15103925 + ... + 15105938.
It is an arithmetic number, because the mean of its divisors is an integer number (4078331640).
Almost surely, 230421332041 is an apocalyptic number.
It is an amenable number.
30421332041 is a deficient number, since it is larger than the sum of its proper divisors (2205321079).
30421332041 is a wasteful number, since it uses less digits than its factorization.
30421332041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30209935.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 30421332041 its reverse (14023312403), we get a palindrome (44444644444).
The spelling of 30421332041 in words is "thirty billion, four hundred twenty-one million, three hundred thirty-two thousand, forty-one".
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