Base | Representation |
---|---|
bin | 111011111011010110… |
… | …100100011101001000 |
3 | 20011002102100220111120 |
4 | 323323112210131020 |
5 | 2023240203233343 |
6 | 45321013355240 |
7 | 4435365364353 |
oct | 737326443510 |
9 | 204072326446 |
10 | 64346539848 |
11 | 2531aa42858 |
12 | 10579638b20 |
13 | 60b60c2b66 |
14 | 3185c5329a |
15 | 1a1912b683 |
hex | efb5a4748 |
64346539848 has 64 divisors (see below), whose sum is σ = 169365504000. Its totient is φ = 20316059712.
The previous prime is 64346539847. The next prime is 64346539861. The reversal of 64346539848 is 84893564346.
It is a super-3 number, since 3×643465398483 (a number of 33 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 64346539791 and 64346539800.
It is not an unprimeable number, because it can be changed into a prime (64346539847) 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, 3199761 + ... + 3219807.
It is an arithmetic number, because the mean of its divisors is an integer number (2646336000).
Almost surely, 264346539848 is an apocalyptic number.
It is an amenable number.
64346539848 is an abundant number, since it is smaller than the sum of its proper divisors (105018964152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64346539848 is a wasteful number, since it uses less digits than its factorization.
64346539848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27114 (or 27110 counting only the distinct ones).
The product of its digits is 59719680, while the sum is 60.
The spelling of 64346539848 in words is "sixty-four billion, three hundred forty-six million, five hundred thirty-nine thousand, eight hundred forty-eight".
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