Base | Representation |
---|---|
bin | 11100000011000000… |
… | …110001001010000111 |
3 | 2212201210020221211021 |
4 | 130003000301022013 |
5 | 443134004212241 |
6 | 21500151252011 |
7 | 2114166601216 |
oct | 340300611207 |
9 | 85653227737 |
10 | 30115304071 |
11 | 11854338756 |
12 | 5a0567a007 |
13 | 2abc236768 |
14 | 16598a107d |
15 | bb3d030d1 |
hex | 703031287 |
30115304071 has 4 divisors (see below), whose sum is σ = 30213399832. Its totient is φ = 30017208312.
The previous prime is 30115304053. The next prime is 30115304083. The reversal of 30115304071 is 17040351103.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30115304071 - 223 = 30106915463 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30115305071) 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 3 ways as a sum of consecutive naturals, for example, 49047420 + ... + 49048033.
It is an arithmetic number, because the mean of its divisors is an integer number (7553349958).
Almost surely, 230115304071 is an apocalyptic number.
30115304071 is a deficient number, since it is larger than the sum of its proper divisors (98095761).
30115304071 is an equidigital number, since it uses as much as digits as its factorization.
30115304071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98095760.
The product of its (nonzero) digits is 1260, while the sum is 25.
Adding to 30115304071 its reverse (17040351103), we get a palindrome (47155655174).
The spelling of 30115304071 in words is "thirty billion, one hundred fifteen million, three hundred four thousand, seventy-one".
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