Base | Representation |
---|---|
bin | 111011110010110011… |
… | …111101101000011110 |
3 | 20010201102202001001210 |
4 | 323302303331220132 |
5 | 2022442013001311 |
6 | 45254454245250 |
7 | 4432005423324 |
oct | 736263755036 |
9 | 203642661053 |
10 | 64203250206 |
11 | 25257074167 |
12 | 10539656826 |
13 | 60925033a4 |
14 | 3170bd3d14 |
15 | 1a0b7753a6 |
hex | ef2cfda1e |
64203250206 has 16 divisors (see below), whose sum is σ = 131392698624. Its totient is φ = 20903383704.
The previous prime is 64203250093. The next prime is 64203250213. The reversal of 64203250206 is 60205230246.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124424646 + ... + 124425161.
It is an arithmetic number, because the mean of its divisors is an integer number (8212043664).
Almost surely, 264203250206 is an apocalyptic number.
64203250206 is an abundant number, since it is smaller than the sum of its proper divisors (67189448418).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64203250206 is a wasteful number, since it uses less digits than its factorization.
64203250206 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 248849855.
The product of its (nonzero) digits is 17280, while the sum is 30.
The spelling of 64203250206 in words is "sixty-four billion, two hundred three million, two hundred fifty thousand, two hundred six".
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