Base | Representation |
---|---|
bin | 11011111100100010… |
… | …100001000011000111 |
3 | 2212110012220211102002 |
4 | 123330202201003013 |
5 | 442423204213341 |
6 | 21441311535515 |
7 | 2111410554623 |
oct | 337442410307 |
9 | 85405824362 |
10 | 30006710471 |
11 | 117a9007781 |
12 | 599522a59b |
13 | 2aa28a45aa |
14 | 16492b4183 |
15 | ba950229b |
hex | 6fc8a10c7 |
30006710471 has 4 divisors (see below), whose sum is σ = 30027391944. Its totient is φ = 29986029000.
The previous prime is 30006710449. The next prime is 30006710491. The reversal of 30006710471 is 17401760003.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17401760003 = 23 ⋅756598261.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30006710471 is a prime.
It is a super-3 number, since 3×300067104713 (a number of 32 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30006710441) 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, 10338560 + ... + 10341461.
It is an arithmetic number, because the mean of its divisors is an integer number (7506847986).
Almost surely, 230006710471 is an apocalyptic number.
30006710471 is a deficient number, since it is larger than the sum of its proper divisors (20681473).
30006710471 is a wasteful number, since it uses less digits than its factorization.
30006710471 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20681472.
The product of its (nonzero) digits is 3528, while the sum is 29.
The spelling of 30006710471 in words is "thirty billion, six million, seven hundred ten thousand, four hundred seventy-one".
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