Base | Representation |
---|---|
bin | 11001101001000… |
… | …11001011001001 |
3 | 112222202022200102 |
4 | 30310203023021 |
5 | 420031232103 |
6 | 33202215145 |
7 | 5221223660 |
oct | 1464431311 |
9 | 488668612 |
10 | 215102153 |
11 | 100468482 |
12 | 600544b5 |
13 | 357442a6 |
14 | 207d3dd7 |
15 | 13d3de88 |
hex | cd232c9 |
215102153 has 8 divisors (see below), whose sum is σ = 245925120. Its totient is φ = 184302720.
The previous prime is 215102117. The next prime is 215102159. The reversal of 215102153 is 351201512.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 215102153 - 28 = 215101897 is a prime.
It is not an unprimeable number, because it can be changed into a prime (215102159) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23513 + ... + 31353.
It is an arithmetic number, because the mean of its divisors is an integer number (30740640).
Almost surely, 2215102153 is an apocalyptic number.
It is an amenable number.
215102153 is a deficient number, since it is larger than the sum of its proper divisors (30822967).
215102153 is an equidigital number, since it uses as much as digits as its factorization.
215102153 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11767.
The product of its (nonzero) digits is 300, while the sum is 20.
The square root of 215102153 is about 14666.3612733357. The cubic root of 215102153 is about 599.1675056413.
Adding to 215102153 its reverse (351201512), we get a palindrome (566303665).
The spelling of 215102153 in words is "two hundred fifteen million, one hundred two thousand, one hundred fifty-three".
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