Base | Representation |
---|---|
bin | 111011110101010010… |
… | …100100011110100011 |
3 | 20010211022222102011120 |
4 | 323311102210132203 |
5 | 2023033133444232 |
6 | 45302541343323 |
7 | 4433022012510 |
oct | 736522443643 |
9 | 203738872146 |
10 | 64244828067 |
11 | 25278592232 |
12 | 1054b567b43 |
13 | 609b000184 |
14 | 3176538307 |
15 | 1a1023992c |
hex | ef54a47a3 |
64244828067 has 16 divisors (see below), whose sum is σ = 100173553920. Its totient is φ = 35857577952.
The previous prime is 64244828047. The next prime is 64244828143. The reversal of 64244828067 is 76082844246.
It is not a de Polignac number, because 64244828067 - 27 = 64244827939 is a prime.
It is not an unprimeable number, because it can be changed into a prime (64244828047) 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, 35572092 + ... + 35573897.
It is an arithmetic number, because the mean of its divisors is an integer number (6260847120).
Almost surely, 264244828067 is an apocalyptic number.
64244828067 is a deficient number, since it is larger than the sum of its proper divisors (35928725853).
64244828067 is a wasteful number, since it uses less digits than its factorization.
64244828067 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71146042.
The product of its (nonzero) digits is 4128768, while the sum is 51.
The spelling of 64244828067 in words is "sixty-four billion, two hundred forty-four million, eight hundred twenty-eight thousand, sixty-seven".
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