Base | Representation |
---|---|
bin | 11000100111111101… |
… | …10011110010110101 |
3 | 1021010100000101122011 |
4 | 30103332303302311 |
5 | 204033323242234 |
6 | 10023453204221 |
7 | 645415166632 |
oct | 142376636265 |
9 | 37110011564 |
10 | 13220134069 |
11 | 567446a43a |
12 | 268b490671 |
13 | 1328b8844c |
14 | 8d5aad189 |
15 | 525936b64 |
hex | 313fb3cb5 |
13220134069 has 4 divisors (see below), whose sum is σ = 13245412096. Its totient is φ = 13194856044.
The previous prime is 13220134061. The next prime is 13220134087. The reversal of 13220134069 is 96043102231.
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: 96043102231 = 43 ⋅2233560517.
It is a cyclic number.
It is not a de Polignac number, because 13220134069 - 23 = 13220134061 is a prime.
It is a super-2 number, since 2×132201340692 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13220134069.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13220134061) 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, 12638229 + ... + 12639274.
It is an arithmetic number, because the mean of its divisors is an integer number (3311353024).
Almost surely, 213220134069 is an apocalyptic number.
It is an amenable number.
13220134069 is a deficient number, since it is larger than the sum of its proper divisors (25278027).
13220134069 is an equidigital number, since it uses as much as digits as its factorization.
13220134069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25278026.
The product of its (nonzero) digits is 7776, while the sum is 31.
The spelling of 13220134069 in words is "thirteen billion, two hundred twenty million, one hundred thirty-four thousand, sixty-nine".
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