Base | Representation |
---|---|
bin | 111011111010101100… |
… | …011010000011111000 |
3 | 20011001122120101011010 |
4 | 323322230122003320 |
5 | 2023224341042344 |
6 | 45315540433520 |
7 | 4435202422101 |
oct | 737254320370 |
9 | 204048511133 |
10 | 64335487224 |
11 | 25314783858 |
12 | 105759a88a0 |
13 | 60b3a23148 |
14 | 31845b73a8 |
15 | 1a181968b9 |
hex | efab1a0f8 |
64335487224 has 128 divisors (see below), whose sum is σ = 167767142400. Its totient is φ = 20541081600.
The previous prime is 64335487213. The next prime is 64335487253. The reversal of 64335487224 is 42278453346.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28129809 + ... + 28132095.
It is an arithmetic number, because the mean of its divisors is an integer number (1310680800).
Almost surely, 264335487224 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 64335487224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83883571200).
64335487224 is an abundant number, since it is smaller than the sum of its proper divisors (103431655176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64335487224 is a wasteful number, since it uses less digits than its factorization.
64335487224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2813 (or 2809 counting only the distinct ones).
The product of its digits is 3870720, while the sum is 48.
The spelling of 64335487224 in words is "sixty-four billion, three hundred thirty-five million, four hundred eighty-seven thousand, two hundred twenty-four".
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