Base | Representation |
---|---|
bin | 111100011011011001… |
… | …000011111111111000 |
3 | 20012110212210222100200 |
4 | 330123121003333320 |
5 | 2030340310023443 |
6 | 45450214402200 |
7 | 4454613306033 |
oct | 743331037770 |
9 | 205425728320 |
10 | 64884064248 |
11 | 255763a98a3 |
12 | 106a9660360 |
13 | 6170585a33 |
14 | 31d73b601a |
15 | 1a4b407dd3 |
hex | f1b643ff8 |
64884064248 has 48 divisors (see below), whose sum is σ = 176427833400. Its totient is φ = 21541848000.
The previous prime is 64884064241. The next prime is 64884064249. The reversal of 64884064248 is 84246048846.
It is a junction number, because it is equal to n+sod(n) for n = 64884064194 and 64884064203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64884064241) 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, 1777083 + ... + 1813226.
Almost surely, 264884064248 is an apocalyptic number.
It is an amenable number.
64884064248 is an abundant number, since it is smaller than the sum of its proper divisors (111543769152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64884064248 is a wasteful number, since it uses less digits than its factorization.
64884064248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3590572 (or 3590565 counting only the distinct ones).
The product of its (nonzero) digits is 9437184, while the sum is 54.
The spelling of 64884064248 in words is "sixty-four billion, eight hundred eighty-four million, sixty-four thousand, two hundred forty-eight".
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