Base | Representation |
---|---|
bin | 1100100001001000000… |
… | …0111111111001101001 |
3 | 202120002020200012212101 |
4 | 3020102000333321221 |
5 | 12010410424211200 |
6 | 242443133013401 |
7 | 21352104036121 |
oct | 3102200777151 |
9 | 676066605771 |
10 | 215050616425 |
11 | 83225515077 |
12 | 35818024261 |
13 | 173824ab078 |
14 | a5a0d1dc81 |
15 | 58d993626a |
hex | 321203fe69 |
215050616425 has 12 divisors (see below), whose sum is σ = 266668713360. Its totient is φ = 172036655120.
The previous prime is 215050616419. The next prime is 215050616449. The reversal of 215050616425 is 524616050512.
It is not a de Polignac number, because 215050616425 - 219 = 215050092137 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1723806 + ... + 1844344.
It is an arithmetic number, because the mean of its divisors is an integer number (22222392780).
Almost surely, 2215050616425 is an apocalyptic number.
215050616425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
215050616425 is a deficient number, since it is larger than the sum of its proper divisors (51618096935).
215050616425 is a wasteful number, since it uses less digits than its factorization.
215050616425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 191912 (or 191907 counting only the distinct ones).
The product of its (nonzero) digits is 72000, while the sum is 37.
Adding to 215050616425 its reverse (524616050512), we get a palindrome (739666666937).
The spelling of 215050616425 in words is "two hundred fifteen billion, fifty million, six hundred sixteen thousand, four hundred twenty-five".
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