Base | Representation |
---|---|
bin | 11101011110000010111011… |
… | …11101000110011111000110 |
3 | 22111110012120011120112212120 |
4 | 32233001131331012133012 |
5 | 31443222134433013421 |
6 | 345454322153230410 |
7 | 16435636410461046 |
oct | 1657013575063706 |
9 | 274405504515776 |
10 | 64804042860486 |
11 | 19715270836386 |
12 | 732755aa02406 |
13 | 2a20cc20a0817 |
14 | 1200764d0b726 |
15 | 775a7dc3e8c6 |
hex | 3af05df467c6 |
64804042860486 has 16 divisors (see below), whose sum is σ = 129608281547568. Its totient is φ = 21601314982400.
The previous prime is 64804042860481. The next prime is 64804042860527. The reversal of 64804042860486 is 68406824040846.
It is a happy number.
It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64804042860481) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3667155 + ... + 11960606.
It is an arithmetic number, because the mean of its divisors is an integer number (8100517596723).
Almost surely, 264804042860486 is an apocalyptic number.
64804042860486 is an abundant number, since it is smaller than the sum of its proper divisors (64804238687082).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64804042860486 is a wasteful number, since it uses less digits than its factorization.
64804042860486 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16318887.
The product of its (nonzero) digits is 56623104, while the sum is 60.
The spelling of 64804042860486 in words is "sixty-four trillion, eight hundred four billion, forty-two million, eight hundred sixty thousand, four hundred eighty-six".
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