Base | Representation |
---|---|
bin | 1111010001000… |
… | …0100100100011 |
3 | 11110111010000221 |
4 | 3310100210203 |
5 | 112342443021 |
6 | 10204223511 |
7 | 1405153222 |
oct | 364204443 |
9 | 143433027 |
10 | 64031011 |
11 | 331644a0 |
12 | 1953ab97 |
13 | 1035b995 |
14 | 870acb9 |
15 | 594c241 |
hex | 3d10923 |
64031011 has 16 divisors (see below), whose sum is σ = 73202688. Its totient is φ = 55440000.
The previous prime is 64031003. The next prime is 64031021. The reversal of 64031011 is 11013046.
It is not a de Polignac number, because 64031011 - 23 = 64031003 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (64031021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84886 + ... + 85636.
It is an arithmetic number, because the mean of its divisors is an integer number (4575168).
Almost surely, 264031011 is an apocalyptic number.
64031011 is a deficient number, since it is larger than the sum of its proper divisors (9171677).
64031011 is a wasteful number, since it uses less digits than its factorization.
64031011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1122.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 64031011 is about 8001.9379527712. The cubic root of 64031011 is about 400.0645958179.
Adding to 64031011 its reverse (11013046), we get a palindrome (75044057).
The spelling of 64031011 in words is "sixty-four million, thirty-one thousand, eleven".
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