Base | Representation |
---|---|
bin | 1001100110110010110011… |
… | …01010110010010011101110 |
3 | 2202210110010120200202011201 |
4 | 10303121121222302103232 |
5 | 10232044231302100222 |
6 | 112532145134040114 |
7 | 4310112134363503 |
oct | 463313152622356 |
9 | 82713116622151 |
10 | 21124153550062 |
11 | 6804780a78752 |
12 | 245200434903a |
13 | ba2ccb12b064 |
14 | 5305b34d14aa |
15 | 26974b059427 |
hex | 133659ab24ee |
21124153550062 has 4 divisors (see below), whose sum is σ = 31686230325096. Its totient is φ = 10562076775030.
The previous prime is 21124153550009. The next prime is 21124153550063. The reversal of 21124153550062 is 26005535142112.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21124153550063) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5281038387514 + ... + 5281038387517.
It is an arithmetic number, because the mean of its divisors is an integer number (7921557581274).
Almost surely, 221124153550062 is an apocalyptic number.
21124153550062 is a deficient number, since it is larger than the sum of its proper divisors (10562076775034).
21124153550062 is a wasteful number, since it uses less digits than its factorization.
21124153550062 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10562076775033.
The product of its (nonzero) digits is 72000, while the sum is 37.
Adding to 21124153550062 its reverse (26005535142112), we get a palindrome (47129688692174).
The spelling of 21124153550062 in words is "twenty-one trillion, one hundred twenty-four billion, one hundred fifty-three million, five hundred fifty thousand, sixty-two".
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