Base | Representation |
---|---|
bin | 1111010011000… |
… | …0010101110101 |
3 | 11110201201112120 |
4 | 3310300111311 |
5 | 112411124031 |
6 | 10211110153 |
7 | 1406234502 |
oct | 364602565 |
9 | 143651476 |
10 | 64161141 |
11 | 33243240 |
12 | 195a2359 |
13 | 103a5c95 |
14 | 87424a9 |
15 | 5975a96 |
hex | 3d30575 |
64161141 has 16 divisors (see below), whose sum is σ = 93477888. Its totient is φ = 38822000.
The previous prime is 64161133. The next prime is 64161161. The reversal of 64161141 is 14116146.
It is a cyclic number.
It is not a de Polignac number, because 64161141 - 23 = 64161133 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64161121) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26116 + ... + 28466.
It is an arithmetic number, because the mean of its divisors is an integer number (5842368).
Almost surely, 264161141 is an apocalyptic number.
It is an amenable number.
64161141 is a deficient number, since it is larger than the sum of its proper divisors (29316747).
64161141 is a wasteful number, since it uses less digits than its factorization.
64161141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3192.
The product of its digits is 576, while the sum is 24.
The square root of 64161141 is about 8010.0649810098. The cubic root of 64161141 is about 400.3354290564.
Adding to 64161141 its reverse (14116146), we get a palindrome (78277287).
It can be divided in two parts, 6416 and 1141, that added together give a palindrome (7557).
The spelling of 64161141 in words is "sixty-four million, one hundred sixty-one thousand, one hundred forty-one".
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