Base | Representation |
---|---|
bin | 1111010010001… |
… | …1100101101011 |
3 | 11110122001212222 |
4 | 3310203211223 |
5 | 112402441112 |
6 | 10210024255 |
7 | 1405626302 |
oct | 364434553 |
9 | 143561788 |
10 | 64108907 |
11 | 33207a75 |
12 | 1957808b |
13 | 10388285 |
14 | 872b439 |
15 | 5965372 |
hex | 3d2396b |
64108907 has 12 divisors (see below), whose sum is σ = 68022216. Its totient is φ = 60410880.
The previous prime is 64108867. The next prime is 64108927. The reversal of 64108907 is 70980146.
It is a de Polignac number, because none of the positive numbers 2k-64108907 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (64108927) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92432 + ... + 93122.
It is an arithmetic number, because the mean of its divisors is an integer number (5668518).
Almost surely, 264108907 is an apocalyptic number.
64108907 is a deficient number, since it is larger than the sum of its proper divisors (3913309).
64108907 is a wasteful number, since it uses less digits than its factorization.
64108907 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 986 (or 967 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 35.
The square root of 64108907 is about 8006.8037942740. The cubic root of 64108907 is about 400.2267610077.
The spelling of 64108907 in words is "sixty-four million, one hundred eight thousand, nine hundred seven".
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