Base | Representation |
---|---|
bin | 111100011000111000… |
… | …011010010000000000 |
3 | 20012100221120100202102 |
4 | 330120320122100000 |
5 | 2030244014401313 |
6 | 45442112005532 |
7 | 4453562324420 |
oct | 743070322000 |
9 | 205327510672 |
10 | 64841950208 |
11 | 25554654a02 |
12 | 106975308a8 |
13 | 616492bb99 |
14 | 31d1972480 |
15 | 1a47889a58 |
hex | f18e1a400 |
64841950208 has 44 divisors (see below), whose sum is σ = 148137820032. Its totient is φ = 27789404160.
The previous prime is 64841950183. The next prime is 64841950247. The reversal of 64841950208 is 80205914846.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4515848 + ... + 4530183.
Almost surely, 264841950208 is an apocalyptic number.
It is an amenable number.
64841950208 is an abundant number, since it is smaller than the sum of its proper divisors (83295869824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64841950208 is an equidigital number, since it uses as much as digits as its factorization.
64841950208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9046058 (or 9046040 counting only the distinct ones).
The product of its (nonzero) digits is 552960, while the sum is 47.
The spelling of 64841950208 in words is "sixty-four billion, eight hundred forty-one million, nine hundred fifty thousand, two hundred eight".
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