Base | Representation |
---|---|
bin | 11000010000010110… |
… | …11000011001010001 |
3 | 1020121112101101020121 |
4 | 30020023120121101 |
5 | 203132124244441 |
6 | 5552100510241 |
7 | 640462023136 |
oct | 141013303121 |
9 | 36545341217 |
10 | 13022103121 |
11 | 55827018a5 |
12 | 26350ab381 |
13 | 12c6b40481 |
14 | 8b768058d |
15 | 51336add1 |
hex | 3082d8651 |
13022103121 has 4 divisors (see below), whose sum is σ = 13374051892. Its totient is φ = 12670154352.
The previous prime is 13022103109. The next prime is 13022103137. The reversal of 13022103121 is 12130122031.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 7481385025 + 5540718096 = 86495^2 + 74436^2 .
It is a cyclic number.
It is not a de Polignac number, because 13022103121 - 211 = 13022101073 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13022103095 and 13022103104.
It is not an unprimeable number, because it can be changed into a prime (13022103151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175974330 + ... + 175974403.
It is an arithmetic number, because the mean of its divisors is an integer number (3343512973).
Almost surely, 213022103121 is an apocalyptic number.
It is an amenable number.
13022103121 is a deficient number, since it is larger than the sum of its proper divisors (351948771).
13022103121 is an equidigital number, since it uses as much as digits as its factorization.
13022103121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 351948770.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 13022103121 its reverse (12130122031), we get a palindrome (25152225152).
The spelling of 13022103121 in words is "thirteen billion, twenty-two million, one hundred three thousand, one hundred twenty-one".
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