Base | Representation |
---|---|
bin | 11000011100010001… |
… | …00100111001110111 |
3 | 1020212111102020211102 |
4 | 30032020210321313 |
5 | 203333214444343 |
6 | 10010030400315 |
7 | 643114265540 |
oct | 141610447167 |
9 | 36774366742 |
10 | 13122031223 |
11 | 5624054304 |
12 | 266266009b |
13 | 131175a322 |
14 | 8c6a534c7 |
15 | 51c0093b8 |
hex | 30e224e77 |
13122031223 has 8 divisors (see below), whose sum is σ = 15080388480. Its totient is φ = 11184619320.
The previous prime is 13122031193. The next prime is 13122031253. The reversal of 13122031223 is 32213022131.
13122031223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (13122031193) and next prime (13122031253).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13122031223 - 226 = 13054922359 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13122031195 and 13122031204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13122031253) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5234993 + ... + 5237498.
It is an arithmetic number, because the mean of its divisors is an integer number (1885048560).
Almost surely, 213122031223 is an apocalyptic number.
13122031223 is a deficient number, since it is larger than the sum of its proper divisors (1958357257).
13122031223 is a wasteful number, since it uses less digits than its factorization.
13122031223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10472677.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 13122031223 its reverse (32213022131), we get a palindrome (45335053354).
The spelling of 13122031223 in words is "thirteen billion, one hundred twenty-two million, thirty-one thousand, two hundred twenty-three".
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