Base | Representation |
---|---|
bin | 11100000000100001… |
… | …111101100000111111 |
3 | 2212121212220220211001 |
4 | 130000201331200333 |
5 | 443042330030131 |
6 | 21452103111131 |
7 | 2113153003150 |
oct | 340041754077 |
9 | 85555826731 |
10 | 30073673791 |
11 | 11832894267 |
12 | 59b37424a7 |
13 | 2ab371bb65 |
14 | 1654145927 |
15 | bb032d261 |
hex | 70087d83f |
30073673791 has 4 divisors (see below), whose sum is σ = 34369912912. Its totient is φ = 25777434672.
The previous prime is 30073673789. The next prime is 30073673807. The reversal of 30073673791 is 19737637003.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19737637003 = 7 ⋅2819662429.
It is a cyclic number.
It is not a de Polignac number, because 30073673791 - 21 = 30073673789 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 (30073673701) 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, 2148119550 + ... + 2148119563.
It is an arithmetic number, because the mean of its divisors is an integer number (8592478228).
Almost surely, 230073673791 is an apocalyptic number.
30073673791 is a deficient number, since it is larger than the sum of its proper divisors (4296239121).
30073673791 is an equidigital number, since it uses as much as digits as its factorization.
30073673791 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4296239120.
The product of its (nonzero) digits is 500094, while the sum is 46.
The spelling of 30073673791 in words is "thirty billion, seventy-three million, six hundred seventy-three thousand, seven hundred ninety-one".
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