Base | Representation |
---|---|
bin | 111011110110011111… |
… | …110001011000111001 |
3 | 20010212202001121110011 |
4 | 323312133301120321 |
5 | 2023103324103131 |
6 | 45304543221521 |
7 | 4433356022401 |
oct | 736637613071 |
9 | 203782047404 |
10 | 64265066041 |
11 | 25288a55330 |
12 | 105562a78a1 |
13 | 60a22679c7 |
14 | 31790c5801 |
15 | 1a11dd60b1 |
hex | ef67f1639 |
64265066041 has 4 divisors (see below), whose sum is σ = 70107344784. Its totient is φ = 58422787300.
The previous prime is 64265066039. The next prime is 64265066059. The reversal of 64265066041 is 14066056246.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 64265066041 - 21 = 64265066039 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 64265065985 and 64265066003.
It is not an unprimeable number, because it can be changed into a prime (64265096041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2921139355 + ... + 2921139376.
It is an arithmetic number, because the mean of its divisors is an integer number (17526836196).
Almost surely, 264265066041 is an apocalyptic number.
It is an amenable number.
64265066041 is a deficient number, since it is larger than the sum of its proper divisors (5842278743).
64265066041 is a wasteful number, since it uses less digits than its factorization.
64265066041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5842278742.
The product of its (nonzero) digits is 207360, while the sum is 40.
The spelling of 64265066041 in words is "sixty-four billion, two hundred sixty-five million, sixty-six thousand, forty-one".
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