Base | Representation |
---|---|
bin | 11000011010110101… |
… | …10000100011100001 |
3 | 1020211122211000222012 |
4 | 30031122300203201 |
5 | 203322131122241 |
6 | 10004521122305 |
7 | 642610222406 |
oct | 141532604341 |
9 | 36748730865 |
10 | 13110020321 |
11 | 56182a0342 |
12 | 265a629395 |
13 | 130c113398 |
14 | 8c52082ad |
15 | 51ae356eb |
hex | 30d6b08e1 |
13110020321 has 4 divisors (see below), whose sum is σ = 13210096944. Its totient is φ = 13009943700.
The previous prime is 13110020317. The next prime is 13110020333. The reversal of 13110020321 is 12302001131.
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: 12302001131 = 7 ⋅1757428733.
It is a cyclic number.
It is not a de Polignac number, because 13110020321 - 22 = 13110020317 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13110020296 and 13110020305.
It is not an unprimeable number, because it can be changed into a prime (13110020351) 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, 50038115 + ... + 50038376.
It is an arithmetic number, because the mean of its divisors is an integer number (3302524236).
Almost surely, 213110020321 is an apocalyptic number.
It is an amenable number.
13110020321 is a deficient number, since it is larger than the sum of its proper divisors (100076623).
13110020321 is a wasteful number, since it uses less digits than its factorization.
13110020321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100076622.
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 13110020321 its reverse (12302001131), we get a palindrome (25412021452).
The spelling of 13110020321 in words is "thirteen billion, one hundred ten million, twenty thousand, three hundred twenty-one".
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