Base | Representation |
---|---|
bin | 11000011001110001… |
… | …10110010111001101 |
3 | 1020211001002102101222 |
4 | 30030320312113031 |
5 | 203312342144323 |
6 | 10004002413125 |
7 | 642441530552 |
oct | 141470662715 |
9 | 36731072358 |
10 | 13101131213 |
11 | 5613279875 |
12 | 26576611a5 |
13 | 130a320361 |
14 | 8c3d72a29 |
15 | 51a27b9c8 |
hex | 30ce365cd |
13101131213 has 4 divisors (see below), whose sum is σ = 13105034880. Its totient is φ = 13097227548.
The previous prime is 13101131207. The next prime is 13101131227. The reversal of 13101131213 is 31213110131.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31213110131 = 7 ⋅4459015733.
It is a cyclic number.
It is not a de Polignac number, because 13101131213 - 230 = 12027389389 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13101131191 and 13101131200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13101131293) 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, 1946795 + ... + 1953512.
It is an arithmetic number, because the mean of its divisors is an integer number (3276258720).
Almost surely, 213101131213 is an apocalyptic number.
It is an amenable number.
13101131213 is a deficient number, since it is larger than the sum of its proper divisors (3903667).
13101131213 is an equidigital number, since it uses as much as digits as its factorization.
13101131213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3903666.
The product of its (nonzero) digits is 54, while the sum is 17.
Adding to 13101131213 its reverse (31213110131), we get a palindrome (44314241344).
The spelling of 13101131213 in words is "thirteen billion, one hundred one million, one hundred thirty-one thousand, two hundred thirteen".
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