Base | Representation |
---|---|
bin | 11100000000011001… |
… | …011111001010010001 |
3 | 2212121201202001111210 |
4 | 130000121133022101 |
5 | 443041242433210 |
6 | 21451543330333 |
7 | 2113125061416 |
oct | 340031371221 |
9 | 85551661453 |
10 | 30071452305 |
11 | 11831607224 |
12 | 59b2a509a9 |
13 | 2ab312197b |
14 | 1653b2810d |
15 | bb003ee20 |
hex | 70065f291 |
30071452305 has 32 divisors (see below), whose sum is σ = 48830860800. Its totient is φ = 15800159232.
The previous prime is 30071452297. The next prime is 30071452309. The reversal of 30071452305 is 50325417003.
It is not a de Polignac number, because 30071452305 - 23 = 30071452297 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30071452309) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 513781 + ... + 569309.
It is an arithmetic number, because the mean of its divisors is an integer number (1525964400).
Almost surely, 230071452305 is an apocalyptic number.
It is an amenable number.
30071452305 is a deficient number, since it is larger than the sum of its proper divisors (18759408495).
30071452305 is a wasteful number, since it uses less digits than its factorization.
30071452305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56073.
The product of its (nonzero) digits is 12600, while the sum is 30.
Adding to 30071452305 its reverse (50325417003), we get a palindrome (80396869308).
The spelling of 30071452305 in words is "thirty billion, seventy-one million, four hundred fifty-two thousand, three hundred five".
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