Base | Representation |
---|---|
bin | 1100100010000011110… |
… | …1110111010101001100 |
3 | 202120201201200001010210 |
4 | 3020200331313111030 |
5 | 12011414133000012 |
6 | 242524053202420 |
7 | 21361241104353 |
oct | 3104075672514 |
9 | 676651601123 |
10 | 215301453132 |
11 | 8334406a437 |
12 | 35888030410 |
13 | 173c245455c |
14 | a5c637699a |
15 | 590198323c |
hex | 3220f7754c |
215301453132 has 24 divisors (see below), whose sum is σ = 528810587200. Its totient is φ = 67989932496.
The previous prime is 215301453121. The next prime is 215301453167. The reversal of 215301453132 is 231354103512.
215301453132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 215301453132.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472152082 + ... + 472152537.
Almost surely, 2215301453132 is an apocalyptic number.
It is an amenable number.
215301453132 is an abundant number, since it is smaller than the sum of its proper divisors (313509134068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
215301453132 is a wasteful number, since it uses less digits than its factorization.
215301453132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 944304645 (or 944304643 counting only the distinct ones).
The product of its (nonzero) digits is 10800, while the sum is 30.
Adding to 215301453132 its reverse (231354103512), we get a palindrome (446655556644).
The spelling of 215301453132 in words is "two hundred fifteen billion, three hundred one million, four hundred fifty-three thousand, one hundred thirty-two".
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