Base | Representation |
---|---|
bin | 11000001101111110… |
… | …01100011100001011 |
3 | 1020120010210200221020 |
4 | 30012333030130023 |
5 | 203112021144321 |
6 | 5550104443523 |
7 | 640130202036 |
oct | 140677143413 |
9 | 36503720836 |
10 | 13002131211 |
11 | 5572400693 |
12 | 262a4795a3 |
13 | 12c2969a84 |
14 | 8b4b6201d |
15 | 5117234c6 |
hex | 306fcc70b |
13002131211 has 4 divisors (see below), whose sum is σ = 17336174952. Its totient is φ = 8668087472.
The previous prime is 13002131209. The next prime is 13002131309. The reversal of 13002131211 is 11213120031.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11213120031 = 3 ⋅3737706677.
It is a cyclic number.
It is not a de Polignac number, because 13002131211 - 21 = 13002131209 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13002136211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2167021866 + ... + 2167021871.
It is an arithmetic number, because the mean of its divisors is an integer number (4334043738).
Almost surely, 213002131211 is an apocalyptic number.
13002131211 is a deficient number, since it is larger than the sum of its proper divisors (4334043741).
13002131211 is an equidigital number, since it uses as much as digits as its factorization.
13002131211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4334043740.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 13002131211 its reverse (11213120031), we get a palindrome (24215251242).
The spelling of 13002131211 in words is "thirteen billion, two million, one hundred thirty-one thousand, two hundred eleven".
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