Base | Representation |
---|---|
bin | 1011111011101111100111… |
… | …1011011100000101110011 |
3 | 1201110100122200001121220022 |
4 | 2332323321323130011303 |
5 | 3204433323421332243 |
6 | 43523414224234055 |
7 | 2522651121156521 |
oct | 276737173340563 |
9 | 51410580047808 |
10 | 13121023230323 |
11 | 41a965a604a08 |
12 | 157ab3816b92b |
13 | 7423cbb544c8 |
14 | 3350bd205311 |
15 | 17b4943abb68 |
hex | beef9edc173 |
13121023230323 has 24 divisors (see below), whose sum is σ = 14160746473200. Its totient is φ = 12122400052224.
The previous prime is 13121023230307. The next prime is 13121023230391. The reversal of 13121023230323 is 32303232012131.
It is not a de Polignac number, because 13121023230323 - 24 = 13121023230307 is a prime.
It is a super-2 number, since 2×131210232303232 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13121023230292 and 13121023230301.
It is not an unprimeable number, because it can be changed into a prime (13121023230823) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8283311 + ... + 9739367.
It is an arithmetic number, because the mean of its divisors is an integer number (590031103050).
Almost surely, 213121023230323 is an apocalyptic number.
13121023230323 is a deficient number, since it is larger than the sum of its proper divisors (1039723242877).
13121023230323 is an equidigital number, since it uses as much as digits as its factorization.
13121023230323 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1456311 (or 1456238 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 26.
Adding to 13121023230323 its reverse (32303232012131), we get a palindrome (45424255242454).
The spelling of 13121023230323 in words is "thirteen trillion, one hundred twenty-one billion, twenty-three million, two hundred thirty thousand, three hundred twenty-three".
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