Base | Representation |
---|---|
bin | 1111100010000… |
… | …1110010101001 |
3 | 11112120222011110 |
4 | 3320201302221 |
5 | 113134300441 |
6 | 10244220533 |
7 | 1420524021 |
oct | 370416251 |
9 | 145528143 |
10 | 65150121 |
11 | 33859283 |
12 | 1999a749 |
13 | 1066118a |
14 | 891ca81 |
15 | 5abdb16 |
hex | 3e21ca9 |
65150121 has 8 divisors (see below), whose sum is σ = 86956960. Its totient is φ = 43388352.
The previous prime is 65150087. The next prime is 65150159. The reversal of 65150121 is 12105156.
65150121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 65150121 - 211 = 65148073 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (65150161) 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, 7735 + ... + 13788.
It is an arithmetic number, because the mean of its divisors is an integer number (10869620).
Almost surely, 265150121 is an apocalyptic number.
It is an amenable number.
65150121 is a deficient number, since it is larger than the sum of its proper divisors (21806839).
65150121 is a wasteful number, since it uses less digits than its factorization.
65150121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22535.
The product of its (nonzero) digits is 300, while the sum is 21.
The square root of 65150121 is about 8071.5624881432. The cubic root of 65150121 is about 402.3818739554.
Adding to 65150121 its reverse (12105156), we get a palindrome (77255277).
The spelling of 65150121 in words is "sixty-five million, one hundred fifty thousand, one hundred twenty-one".
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