Base | Representation |
---|---|
bin | 11000101010000011011111… |
… | …01101011011000100001101 |
3 | 21002222112021102221020111222 |
4 | 30111001233231123010031 |
5 | 24101331204034314041 |
6 | 311153010542453125 |
7 | 14264243224541252 |
oct | 1425015755330415 |
9 | 232875242836458 |
10 | 54221541323021 |
11 | 16305254584756 |
12 | 60b85b85941a5 |
13 | 24340b9645557 |
14 | d5649d8cd429 |
15 | 6406602b874b |
hex | 31506fb5b10d |
54221541323021 has 8 divisors (see below), whose sum is σ = 54921350298360. Its totient is φ = 53524606307328.
The previous prime is 54221541323017. The next prime is 54221541323071. The reversal of 54221541323021 is 12032314512245.
54221541323021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 1531567129225 + 52689974193796 = 1237565^2 + 7258786^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 54221541323021 - 22 = 54221541323017 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 (54221541323011) 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 7 ways as a sum of consecutive naturals, for example, 718451936 + ... + 718527401.
It is an arithmetic number, because the mean of its divisors is an integer number (6865168787295).
Almost surely, 254221541323021 is an apocalyptic number.
It is an amenable number.
54221541323021 is a deficient number, since it is larger than the sum of its proper divisors (699808975339).
54221541323021 is a wasteful number, since it uses less digits than its factorization.
54221541323021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1436979823.
The product of its (nonzero) digits is 57600, while the sum is 35.
Adding to 54221541323021 its reverse (12032314512245), we get a palindrome (66253855835266).
The spelling of 54221541323021 in words is "fifty-four trillion, two hundred twenty-one billion, five hundred forty-one million, three hundred twenty-three thousand, twenty-one".
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