Base | Representation |
---|---|
bin | 1011110100110001010111… |
… | …0001001010001010100111 |
3 | 1201000220110011020122022020 |
4 | 2331030111301022022213 |
5 | 3201003010142310343 |
6 | 43352403321434223 |
7 | 2511210425630331 |
oct | 275142561121247 |
9 | 51026404218266 |
10 | 13001231213223 |
11 | 4162878095490 |
12 | 155b88603b973 |
13 | 73401aa8ab56 |
14 | 32d39775c451 |
15 | 1782d27dab83 |
hex | bd315c4a2a7 |
13001231213223 has 32 divisors (see below), whose sum is σ = 19351217571840. Its totient is φ = 7696071193440.
The previous prime is 13001231213219. The next prime is 13001231213249. The reversal of 13001231213223 is 32231213210031.
13001231213223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13001231213223 - 22 = 13001231213219 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13001231213193 and 13001231213202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13001231213123) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59743390 + ... + 59960612.
It is an arithmetic number, because the mean of its divisors is an integer number (604725549120).
Almost surely, 213001231213223 is an apocalyptic number.
13001231213223 is a deficient number, since it is larger than the sum of its proper divisors (6349986358617).
13001231213223 is a wasteful number, since it uses less digits than its factorization.
13001231213223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 259459.
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 13001231213223 its reverse (32231213210031), we get a palindrome (45232444423254).
The spelling of 13001231213223 in words is "thirteen trillion, one billion, two hundred thirty-one million, two hundred thirteen thousand, two hundred twenty-three".
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