Base | Representation |
---|---|
bin | 11100101000001011… |
… | …111101001000110001 |
3 | 2221100020211200011122 |
4 | 130220023331020301 |
5 | 1000423140244323 |
6 | 22042111152025 |
7 | 2135512064321 |
oct | 345013751061 |
9 | 87306750148 |
10 | 30738993713 |
11 | 120443a6a3a |
12 | 5b5a515615 |
13 | 2b8b507c9c |
14 | 16b8653281 |
15 | bed94eec8 |
hex | 7282fd231 |
30738993713 has 4 divisors (see below), whose sum is σ = 30785639280. Its totient is φ = 30692348148.
The previous prime is 30738993707. The next prime is 30738993743. The reversal of 30738993713 is 31739983703.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 30738993713 - 226 = 30671884849 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30738993743) 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 3 ways as a sum of consecutive naturals, for example, 23321795 + ... + 23323112.
It is an arithmetic number, because the mean of its divisors is an integer number (7696409820).
Almost surely, 230738993713 is an apocalyptic number.
It is an amenable number.
30738993713 is a deficient number, since it is larger than the sum of its proper divisors (46645567).
30738993713 is an equidigital number, since it uses as much as digits as its factorization.
30738993713 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46645566.
The product of its (nonzero) digits is 2571912, while the sum is 53.
The spelling of 30738993713 in words is "thirty billion, seven hundred thirty-eight million, nine hundred ninety-three thousand, seven hundred thirteen".
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