Base | Representation |
---|---|
bin | 111011110001111111… |
… | …001110000110001001 |
3 | 20010200110201121002102 |
4 | 323301333032012021 |
5 | 2022424443032014 |
6 | 45253242043145 |
7 | 4431450046604 |
oct | 736177160611 |
9 | 203613647072 |
10 | 64189424009 |
11 | 2524a290357 |
12 | 10534aa94b5 |
13 | 608c6a20c9 |
14 | 316d03533b |
15 | 1a0a4438de |
hex | ef1fce189 |
64189424009 has 8 divisors (see below), whose sum is σ = 64571010240. Its totient is φ = 63807959376.
The previous prime is 64189423967. The next prime is 64189424021. The reversal of 64189424009 is 90042498146.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-64189424009 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (64189424059) 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, 1168052 + ... + 1221770.
It is an arithmetic number, because the mean of its divisors is an integer number (8071376280).
Almost surely, 264189424009 is an apocalyptic number.
It is an amenable number.
64189424009 is a deficient number, since it is larger than the sum of its proper divisors (381586231).
64189424009 is a wasteful number, since it uses less digits than its factorization.
64189424009 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60799.
The product of its (nonzero) digits is 497664, while the sum is 47.
The spelling of 64189424009 in words is "sixty-four billion, one hundred eighty-nine million, four hundred twenty-four thousand, nine".
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