Base | Representation |
---|---|
bin | 111011101111111011… |
… | …010011111111011010 |
3 | 20010121001122210210210 |
4 | 323233323103333122 |
5 | 2022342120021041 |
6 | 45250004551550 |
7 | 4430550120600 |
oct | 735773237732 |
9 | 203531583723 |
10 | 64154845146 |
11 | 25231812787 |
12 | 105253b25b6 |
13 | 6085485c42 |
14 | 31685d3870 |
15 | 1a073b3016 |
hex | eefed3fda |
64154845146 has 48 divisors (see below), whose sum is σ = 149327470944. Its totient is φ = 18321450336.
The previous prime is 64154845133. The next prime is 64154845207.
64154845146 is nontrivially palindromic in base 10.
It is a super-3 number, since 3×641548451463 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 64154845095 and 64154845104.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 598156 + ... + 697208.
It is an arithmetic number, because the mean of its divisors is an integer number (3110988978).
Almost surely, 264154845146 is an apocalyptic number.
64154845146 is an abundant number, since it is smaller than the sum of its proper divisors (85172625798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64154845146 is a wasteful number, since it uses less digits than its factorization.
64154845146 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101275 (or 101268 counting only the distinct ones).
The product of its digits is 1843200, while the sum is 48.
The spelling of 64154845146 in words is "sixty-four billion, one hundred fifty-four million, eight hundred forty-five thousand, one hundred forty-six".
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