Base | Representation |
---|---|
bin | 111100000100110011… |
… | …000011100000111001 |
3 | 20011111110112121202200 |
4 | 330010303003200321 |
5 | 2024101240031131 |
6 | 45344434020413 |
7 | 4442331320304 |
oct | 740463034071 |
9 | 204443477680 |
10 | 64505002041 |
11 | 253a1434847 |
12 | 10602717709 |
13 | 610cb9567c |
14 | 319cd01b3b |
15 | 1a27ecd2e6 |
hex | f04cc3839 |
64505002041 has 12 divisors (see below), whose sum is σ = 93287390820. Its totient is φ = 42950950560.
The previous prime is 64505002031. The next prime is 64505002069. The reversal of 64505002041 is 14020050546.
64505002041 is a `hidden beast` number, since 6 + 450 + 5 + 0 + 0 + 204 + 1 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 17026335225 + 47478666816 = 130485^2 + 217896^2 .
It is not a de Polignac number, because 64505002041 - 231 = 62357518393 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 64505001996 and 64505002014.
It is not an unprimeable number, because it can be changed into a prime (64505002031) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4357546 + ... + 4372323.
It is an arithmetic number, because the mean of its divisors is an integer number (7773949235).
Almost surely, 264505002041 is an apocalyptic number.
It is an amenable number.
64505002041 is a deficient number, since it is larger than the sum of its proper divisors (28782388779).
64505002041 is a wasteful number, since it uses less digits than its factorization.
64505002041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8730696 (or 8730693 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
Adding to 64505002041 its reverse (14020050546), we get a palindrome (78525052587).
The spelling of 64505002041 in words is "sixty-four billion, five hundred five million, two thousand, forty-one".
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