Base | Representation |
---|---|
bin | 1011110110000011100111… |
… | …0010010001010111100001 |
3 | 1201010000102212222112102012 |
4 | 2331200321302101113201 |
5 | 3201333214420233441 |
6 | 43410454241402305 |
7 | 2512621525145312 |
oct | 275407162212741 |
9 | 51100385875365 |
10 | 13023310321121 |
11 | 4171178182aa1 |
12 | 1564008339395 |
13 | 73612911a139 |
14 | 33048dc12609 |
15 | 178b75d439eb |
hex | bd839c915e1 |
13023310321121 has 16 divisors (see below), whose sum is σ = 14392693381248. Its totient is φ = 11721240326400.
The previous prime is 13023310321111. The next prime is 13023310321157. The reversal of 13023310321121 is 12112301332031.
13023310321121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13023310321121 is a prime.
It is a super-2 number, since 2×130233103211212 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13023310321111) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2864495 + ... + 5852516.
It is an arithmetic number, because the mean of its divisors is an integer number (899543336328).
Almost surely, 213023310321121 is an apocalyptic number.
It is an amenable number.
13023310321121 is a deficient number, since it is larger than the sum of its proper divisors (1369383060127).
13023310321121 is a wasteful number, since it uses less digits than its factorization.
13023310321121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8720872.
The product of its (nonzero) digits is 648, while the sum is 23.
Adding to 13023310321121 its reverse (12112301332031), we get a palindrome (25135611653152).
The spelling of 13023310321121 in words is "thirteen trillion, twenty-three billion, three hundred ten million, three hundred twenty-one thousand, one hundred twenty-one".
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