Base | Representation |
---|---|
bin | 1100100001110101111… |
… | …1000000010111110010 |
3 | 202120120122201221111000 |
4 | 3020131133000113302 |
5 | 12011304204011200 |
6 | 242514205102430 |
7 | 21356631404454 |
oct | 3103537002762 |
9 | 676518657430 |
10 | 215243032050 |
11 | 83314097852 |
12 | 35870557a16 |
13 | 173b330b177 |
14 | a5bc6ca2d4 |
15 | 58eb793300 |
hex | 321d7c05f2 |
215243032050 has 96 divisors (see below), whose sum is σ = 607580487360. Its totient is φ = 55998172800.
The previous prime is 215243032019. The next prime is 215243032079. The reversal of 215243032050 is 50230342512.
It is a happy number.
215243032050 is a `hidden beast` number, since 2 + 152 + 4 + 303 + 205 + 0 = 666.
215243032050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (27).
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 47 ways as a sum of consecutive naturals, for example, 1889032 + ... + 1999731.
It is an arithmetic number, because the mean of its divisors is an integer number (6328963410).
Almost surely, 2215243032050 is an apocalyptic number.
215243032050 is an abundant number, since it is smaller than the sum of its proper divisors (392337455310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
215243032050 is a wasteful number, since it uses less digits than its factorization.
215243032050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3888825 (or 3888814 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
Adding to 215243032050 its reverse (50230342512), we get a palindrome (265473374562).
The spelling of 215243032050 in words is "two hundred fifteen billion, two hundred forty-three million, thirty-two thousand, fifty".
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