Base | Representation |
---|---|
bin | 1001001001110111010100… |
… | …00010010000111011101001 |
3 | 2122021102102021212122011121 |
4 | 10210323222002100323221 |
5 | 10114303013130224431 |
6 | 110451354330455241 |
7 | 4145232500042500 |
oct | 444735202207351 |
9 | 78242367778147 |
10 | 20130143211241 |
11 | 6461167061968 |
12 | 2311434294521 |
13 | b30358a4b43b |
14 | 4d8438765837 |
15 | 24d970587611 |
hex | 124eea090ee9 |
20130143211241 has 12 divisors (see below), whose sum is σ = 23421309804228. Its totient is φ = 17251009709472.
The previous prime is 20130143211229. The next prime is 20130143211253. The reversal of 20130143211241 is 14211234103102.
It is an interprime number because it is at equal distance from previous prime (20130143211229) and next prime (20130143211253).
It can be written as a sum of positive squares in 2 ways, for example, as 9452796211600 + 10677346999641 = 3074540^2 + 3267621^2 .
It is not a de Polignac number, because 20130143211241 - 225 = 20130109656809 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20130143211221) 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, 40210086 + ... + 40707631.
It is an arithmetic number, because the mean of its divisors is an integer number (1951775817019).
Almost surely, 220130143211241 is an apocalyptic number.
It is an amenable number.
20130143211241 is a deficient number, since it is larger than the sum of its proper divisors (3291166592987).
20130143211241 is an equidigital number, since it uses as much as digits as its factorization.
20130143211241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80922808 (or 80922801 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 25.
Adding to 20130143211241 its reverse (14211234103102), we get a palindrome (34341377314343).
The spelling of 20130143211241 in words is "twenty trillion, one hundred thirty billion, one hundred forty-three million, two hundred eleven thousand, two hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •