Base | Representation |
---|---|
bin | 1100100001101010000… |
… | …0001001101000100101 |
3 | 202120110011121002002002 |
4 | 3020122200021220211 |
5 | 12011203402003420 |
6 | 242505220455045 |
7 | 21355453216031 |
oct | 3103240115045 |
9 | 676404532062 |
10 | 215193000485 |
11 | 83298925351 |
12 | 3585784a485 |
13 | 173a5b415a8 |
14 | a5b5bc51c1 |
15 | 58e71ae075 |
hex | 321a809a25 |
215193000485 has 16 divisors (see below), whose sum is σ = 259200729216. Its totient is φ = 171508582848.
The previous prime is 215193000479. The next prime is 215193000509. The reversal of 215193000485 is 584000391512.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 215193000485 - 228 = 214924565029 is a prime.
It is a Duffinian number.
It is a congruent number.
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, 7736072 + ... + 7763838.
It is an arithmetic number, because the mean of its divisors is an integer number (16200045576).
Almost surely, 2215193000485 is an apocalyptic number.
It is an amenable number.
215193000485 is a deficient number, since it is larger than the sum of its proper divisors (44007728731).
215193000485 is a wasteful number, since it uses less digits than its factorization.
215193000485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33532.
The product of its (nonzero) digits is 43200, while the sum is 38.
Adding to 215193000485 its reverse (584000391512), we get a palindrome (799193391997).
The spelling of 215193000485 in words is "two hundred fifteen billion, one hundred ninety-three million, four hundred eighty-five", and thus it is an aban number.
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