Base | Representation |
---|---|
bin | 111100000000000000… |
… | …000000000000011110 |
3 | 20011021212002011201100 |
4 | 330000000000000132 |
5 | 2023420133300340 |
6 | 45332440453530 |
7 | 4440333203136 |
oct | 740000000036 |
9 | 204255064640 |
10 | 64424509470 |
11 | 2535aa57562 |
12 | 1059b77a2a6 |
13 | 60c92c2029 |
14 | 319234bac6 |
15 | 1a20dcd830 |
hex | f0000001e |
64424509470 has 24 divisors (see below), whose sum is σ = 167503724856. Its totient is φ = 17179869168.
The previous prime is 64424509469. The next prime is 64424509507. The reversal of 64424509470 is 7490542446.
64424509470 is a `hidden beast` number, since 6 + 4 + 42 + 450 + 94 + 70 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 357913852 + ... + 357914031.
It is an arithmetic number, because the mean of its divisors is an integer number (6979321869).
Almost surely, 264424509470 is an apocalyptic number.
64424509470 is an abundant number, since it is smaller than the sum of its proper divisors (103079215386).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64424509470 is a wasteful number, since it uses less digits than its factorization.
64424509470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 715827896 (or 715827893 counting only the distinct ones).
The product of its (nonzero) digits is 967680, while the sum is 45.
The spelling of 64424509470 in words is "sixty-four billion, four hundred twenty-four million, five hundred nine thousand, four hundred seventy".
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