Base | Representation |
---|---|
bin | 1011110110100001000011… |
… | …0101011010001010010111 |
3 | 1201010202211122200000001220 |
4 | 2331220100311122022113 |
5 | 3202000411040243221 |
6 | 43414242352021423 |
7 | 2513321416464360 |
oct | 275502065321227 |
9 | 51122748600056 |
10 | 13031213212311 |
11 | 4174563154128 |
12 | 1565652b31873 |
13 | 736ab84bc708 |
14 | 3309dd63cb67 |
15 | 178e89a5b0c6 |
hex | bda10d5a297 |
13031213212311 has 32 divisors (see below), whose sum is σ = 19877688230400. Its totient is φ = 7438683688320.
The previous prime is 13031213212267. The next prime is 13031213212319. The reversal of 13031213212311 is 11321231213031.
13031213212311 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 13031213212311 - 222 = 13031209018007 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13031213212319) 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, 220580485 + ... + 220639553.
It is an arithmetic number, because the mean of its divisors is an integer number (621177757200).
Almost surely, 213031213212311 is an apocalyptic number.
13031213212311 is a deficient number, since it is larger than the sum of its proper divisors (6846475018089).
13031213212311 is a wasteful number, since it uses less digits than its factorization.
13031213212311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69799.
The product of its (nonzero) digits is 648, while the sum is 24.
Adding to 13031213212311 its reverse (11321231213031), we get a palindrome (24352444425342).
The spelling of 13031213212311 in words is "thirteen trillion, thirty-one billion, two hundred thirteen million, two hundred twelve thousand, three hundred eleven".
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