Base | Representation |
---|---|
bin | 11100011000001110… |
… | …000010101111100111 |
3 | 2220122120202112122101 |
4 | 130120032002233213 |
5 | 444401100334021 |
6 | 21555341312531 |
7 | 2126050060210 |
oct | 343016025747 |
9 | 86576675571 |
10 | 30471105511 |
11 | 11a17165630 |
12 | 5aa4865747 |
13 | 2b47b71462 |
14 | 1690c3c407 |
15 | bd5185a91 |
hex | 718382be7 |
30471105511 has 16 divisors (see below), whose sum is σ = 37994969088. Its totient is φ = 23740581600.
The previous prime is 30471105503. The next prime is 30471105527. The reversal of 30471105511 is 11550117403.
It is a cyclic number.
It is not a de Polignac number, because 30471105511 - 23 = 30471105503 is a prime.
It is a super-2 number, since 2×304711055112 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30471105511.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30471105811) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 685386 + ... + 728488.
It is an arithmetic number, because the mean of its divisors is an integer number (2374685568).
Almost surely, 230471105511 is an apocalyptic number.
30471105511 is a deficient number, since it is larger than the sum of its proper divisors (7523863577).
30471105511 is a wasteful number, since it uses less digits than its factorization.
30471105511 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52302.
The product of its (nonzero) digits is 2100, while the sum is 28.
The spelling of 30471105511 in words is "thirty billion, four hundred seventy-one million, one hundred five thousand, five hundred eleven".
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