Base | Representation |
---|---|
bin | 11100000010001010… |
… | …100111110101010101 |
3 | 2212200210112211100200 |
4 | 130002022213311111 |
5 | 443121341010401 |
6 | 21454523131113 |
7 | 2113635133326 |
oct | 340212476525 |
9 | 85623484320 |
10 | 30101110101 |
11 | 118473235a7 |
12 | 5a00973a99 |
13 | 2ab9306c6a |
14 | 1657a4844d |
15 | bb294c686 |
hex | 7022a7d55 |
30101110101 has 6 divisors (see below), whose sum is σ = 43479381270. Its totient is φ = 20067406728.
The previous prime is 30101110063. The next prime is 30101110121. The reversal of 30101110101 is 10101110103.
It can be written as a sum of positive squares in only one way, i.e., 18117429201 + 11983680900 = 134601^2 + 109470^2 .
It is not a de Polignac number, because 30101110101 - 26 = 30101110037 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 3344567789 = 30101110101 / (3 + 0 + 1 + 0 + 1 + 1 + 1 + 0 + 1 + 0 + 1).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30101110121) 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 5 ways as a sum of consecutive naturals, for example, 1672283886 + ... + 1672283903.
It is an arithmetic number, because the mean of its divisors is an integer number (7246563545).
Almost surely, 230101110101 is an apocalyptic number.
It is an amenable number.
30101110101 is a deficient number, since it is larger than the sum of its proper divisors (13378271169).
30101110101 is a wasteful number, since it uses less digits than its factorization.
30101110101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3344567795 (or 3344567792 counting only the distinct ones).
The product of its (nonzero) digits is 3, while the sum is 9.
Adding to 30101110101 its reverse (10101110103), we get a palindrome (40202220204).
It can be divided in two parts, 3010 and 1110101, that added together give a palindrome (1113111).
The spelling of 30101110101 in words is "thirty billion, one hundred one million, one hundred ten thousand, one hundred one".
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