Base | Representation |
---|---|
bin | 1011011111001011010010… |
… | …0101101111000100000001 |
3 | 1122201102211200212021011012 |
4 | 2313302310211233010001 |
5 | 3123413204303004332 |
6 | 42510125500130305 |
7 | 2442334651406063 |
oct | 267626445570401 |
9 | 48642750767135 |
10 | 12630233641217 |
11 | 402a4a7691545 |
12 | 14bb9a7836995 |
13 | 708044c4790a |
14 | 319441329733 |
15 | 16d81c1693b2 |
hex | b7cb496f101 |
12630233641217 has 12 divisors (see below), whose sum is σ = 13154037788220. Its totient is φ = 12112864045632.
The previous prime is 12630233641147. The next prime is 12630233641313. The reversal of 12630233641217 is 71214633203621.
12630233641217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Cunningham number, because it is equal to 35539042+1.
It can be written as a sum of positive squares in 6 ways, for example, as 48996265201 + 12581237376016 = 221351^2 + 3547004^2 .
It is not a de Polignac number, because 12630233641217 - 28 = 12630233640961 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12630233643217) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9164858 + ... + 10452515.
It is an arithmetic number, because the mean of its divisors is an integer number (1096169815685).
Almost surely, 212630233641217 is an apocalyptic number.
It is an amenable number.
12630233641217 is a deficient number, since it is larger than the sum of its proper divisors (523804147003).
12630233641217 is an equidigital number, since it uses as much as digits as its factorization.
12630233641217 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19617700 (or 19617551 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 41.
Adding to 12630233641217 its reverse (71214633203621), we get a palindrome (83844866844838).
The spelling of 12630233641217 in words is "twelve trillion, six hundred thirty billion, two hundred thirty-three million, six hundred forty-one thousand, two hundred seventeen".
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