Base | Representation |
---|---|
bin | 11101110101100010001101… |
… | …010001100010011001111111 |
3 | 122012121201110111122201120121 |
4 | 131311202031101202121333 |
5 | 114144421042004342343 |
6 | 1143030352421355411 |
7 | 36432330500664262 |
oct | 3565421521423177 |
9 | 565551414581517 |
10 | 131222211012223 |
11 | 388a2033184571 |
12 | 128738b0b68b67 |
13 | 582b280633676 |
14 | 24592904b4cd9 |
15 | 10285ce194aed |
hex | 77588d46267f |
131222211012223 has 6 divisors (see below), whose sum is σ = 133209983426856. Its totient is φ = 129263670544932.
The previous prime is 131222211012181. The next prime is 131222211012227. The reversal of 131222211012223 is 322210112222131.
It is not a de Polignac number, because 131222211012223 - 233 = 131213621077631 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131222211012227) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14615969115 + ... + 14615978092.
It is an arithmetic number, because the mean of its divisors is an integer number (22201663904476).
Almost surely, 2131222211012223 is an apocalyptic number.
131222211012223 is a deficient number, since it is larger than the sum of its proper divisors (1987772414633).
131222211012223 is an frugal number, since it uses more digits than its factorization.
131222211012223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29231947341 (or 29231947274 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 25.
Adding to 131222211012223 its reverse (322210112222131), we get a palindrome (453432323234354).
The spelling of 131222211012223 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, two hundred eleven million, twelve thousand, two hundred twenty-three".
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