Base | Representation |
---|---|
bin | 1100100010100101101… |
… | …1011101101100010000 |
3 | 202121002121211020000020 |
4 | 3020221123131230100 |
5 | 12012212004231120 |
6 | 242550124223440 |
7 | 21364613640510 |
oct | 3105133355420 |
9 | 677077736006 |
10 | 215443430160 |
11 | 83407221922 |
12 | 3590769ab80 |
13 | 174159a472a |
14 | a5db173840 |
15 | 590e17a640 |
hex | 32296ddb10 |
215443430160 has 80 divisors (see below), whose sum is σ = 763285301376. Its totient is φ = 49244212224.
The previous prime is 215443430159. The next prime is 215443430183. The reversal of 215443430160 is 61034344512.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (80).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64118389 + ... + 64121748.
Almost surely, 2215443430160 is an apocalyptic number.
215443430160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
215443430160 is an abundant number, since it is smaller than the sum of its proper divisors (547841871216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
215443430160 is a wasteful number, since it uses less digits than its factorization.
215443430160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 128240160 (or 128240154 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 33.
Adding to 215443430160 its reverse (61034344512), we get a palindrome (276477774672).
The spelling of 215443430160 in words is "two hundred fifteen billion, four hundred forty-three million, four hundred thirty thousand, one hundred sixty".
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