Base | Representation |
---|---|
bin | 11100010101001111… |
… | …000100110001011001 |
3 | 2220112002120011120221 |
4 | 130111033010301121 |
5 | 444300241404223 |
6 | 21550352320041 |
7 | 2124601416202 |
oct | 342517046131 |
9 | 86462504527 |
10 | 30421044313 |
11 | 119a0982940 |
12 | 5a8bb43021 |
13 | 2b3a69424a |
14 | 168832a5a9 |
15 | bd0a97b5d |
hex | 7153c4c59 |
30421044313 has 8 divisors (see below), whose sum is σ = 33188462496. Its totient is φ = 27653937600.
The previous prime is 30421044271. The next prime is 30421044337. The reversal of 30421044313 is 31344012403.
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 30421044313 - 233 = 21831109721 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30421044113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157233 + ... + 292513.
It is an arithmetic number, because the mean of its divisors is an integer number (4148557812).
Almost surely, 230421044313 is an apocalyptic number.
It is an amenable number.
30421044313 is a deficient number, since it is larger than the sum of its proper divisors (2767418183).
30421044313 is a wasteful number, since it uses less digits than its factorization.
30421044313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 155735.
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 30421044313 its reverse (31344012403), we get a palindrome (61765056716).
The spelling of 30421044313 in words is "thirty billion, four hundred twenty-one million, forty-four thousand, three hundred thirteen".
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