Base | Representation |
---|---|
bin | 1111110100101… |
… | …0001011001001 |
3 | 11121212122102211 |
4 | 3331022023021 |
5 | 113442122410 |
6 | 10330225121 |
7 | 1434041233 |
oct | 375121311 |
9 | 147778384 |
10 | 66364105 |
11 | 34508375 |
12 | 1a2851a1 |
13 | 10997902 |
14 | 8b57253 |
15 | 5c5d68a |
hex | 3f4a2c9 |
66364105 has 16 divisors (see below), whose sum is σ = 80847360. Its totient is φ = 52291008.
The previous prime is 66364099. The next prime is 66364121. The reversal of 66364105 is 50146366.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-66364105 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143104 + ... + 143566.
It is an arithmetic number, because the mean of its divisors is an integer number (5052960).
Almost surely, 266364105 is an apocalyptic number.
It is an amenable number.
66364105 is a deficient number, since it is larger than the sum of its proper divisors (14483255).
66364105 is a wasteful number, since it uses less digits than its factorization.
66364105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 840.
The product of its (nonzero) digits is 12960, while the sum is 31.
The square root of 66364105 is about 8146.4166969288. The cubic root of 66364105 is about 404.8657889897.
The spelling of 66364105 in words is "sixty-six million, three hundred sixty-four thousand, one hundred five".
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