Base | Representation |
---|---|
bin | 1100001101110100011011… |
… | …0001111110111000010001 |
3 | 1202120001011211102021022200 |
4 | 3003131012301332320101 |
5 | 3230030303330223241 |
6 | 44322211411553413 |
7 | 2554253223213231 |
oct | 303350661767021 |
9 | 52501154367280 |
10 | 13431550242321 |
11 | 4309319a52122 |
12 | 160b15abbb869 |
13 | 7657888c25a3 |
14 | 34613a493cc1 |
15 | 1845bad2a4b6 |
hex | c3746c7ee11 |
13431550242321 has 6 divisors (see below), whose sum is σ = 19401128127810. Its totient is φ = 8954366828208.
The previous prime is 13431550242269. The next prime is 13431550242377. The reversal of 13431550242321 is 12324205513431.
13431550242321 is a `hidden beast` number, since 1 + 3 + 4 + 31 + 550 + 2 + 42 + 32 + 1 = 666.
It can be written as a sum of positive squares in only one way, i.e., 6815028734721 + 6616521507600 = 2610561^2 + 2572260^2 .
It is not a de Polignac number, because 13431550242321 - 210 = 13431550241297 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13431550246321) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 746197235676 + ... + 746197235693.
It is an arithmetic number, because the mean of its divisors is an integer number (3233521354635).
Almost surely, 213431550242321 is an apocalyptic number.
It is an amenable number.
13431550242321 is a deficient number, since it is larger than the sum of its proper divisors (5969577885489).
13431550242321 is a wasteful number, since it uses less digits than its factorization.
13431550242321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1492394471375 (or 1492394471372 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 36.
Adding to 13431550242321 its reverse (12324205513431), we get a palindrome (25755755755752).
The spelling of 13431550242321 in words is "thirteen trillion, four hundred thirty-one billion, five hundred fifty million, two hundred forty-two thousand, three hundred twenty-one".
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