Base | Representation |
---|---|
bin | 1111010011000… |
… | …0010101101010 |
3 | 11110201201112011 |
4 | 3310300111222 |
5 | 112411124010 |
6 | 10211110134 |
7 | 1406234455 |
oct | 364602552 |
9 | 143651464 |
10 | 64161130 |
11 | 33243230 |
12 | 195a234a |
13 | 103a5c87 |
14 | 874249c |
15 | 5975a8a |
hex | 3d3056a |
64161130 has 32 divisors (see below), whose sum is σ = 126360000. Its totient is φ = 23262720.
The previous prime is 64161121. The next prime is 64161131. The reversal of 64161130 is 3116146.
It is a happy number.
64161130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is not an unprimeable number, because it can be changed into a prime (64161131) 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 15 ways as a sum of consecutive naturals, for example, 50746 + ... + 51994.
It is an arithmetic number, because the mean of its divisors is an integer number (3948750).
Almost surely, 264161130 is an apocalyptic number.
64161130 is a deficient number, since it is larger than the sum of its proper divisors (62198870).
64161130 is a wasteful number, since it uses less digits than its factorization.
64161130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1734.
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 64161130 is about 8010.0642943737. The cubic root of 64161130 is about 400.3354061781.
Adding to 64161130 its reverse (3116146), we get a palindrome (67277276).
The spelling of 64161130 in words is "sixty-four million, one hundred sixty-one thousand, one hundred thirty".
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