Base | Representation |
---|---|
bin | 110011111010111111… |
… | …011010110111011001 |
3 | 12022220100110200221022 |
4 | 303322333122313121 |
5 | 1403134114133130 |
6 | 41340023252225 |
7 | 4012356512525 |
oct | 637277326731 |
9 | 168810420838 |
10 | 55750536665 |
11 | 217097a739a |
12 | a97a8aa075 |
13 | 5346253445 |
14 | 29ac362d85 |
15 | 16b46527e5 |
hex | cfafdadd9 |
55750536665 has 8 divisors (see below), whose sum is σ = 66902976648. Its totient is φ = 44598874240.
The previous prime is 55750536643. The next prime is 55750536703. The reversal of 55750536665 is 56663505755.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 354794896 + 55395741769 = 18836^2 + 235363^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 55750536665 - 212 = 55750532569 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22892 + ... + 334701.
It is an arithmetic number, because the mean of its divisors is an integer number (8362872081).
Almost surely, 255750536665 is an apocalyptic number.
It is an amenable number.
55750536665 is a deficient number, since it is larger than the sum of its proper divisors (11152439983).
55750536665 is a wasteful number, since it uses less digits than its factorization.
55750536665 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 388779.
The product of its (nonzero) digits is 14175000, while the sum is 53.
The spelling of 55750536665 in words is "fifty-five billion, seven hundred fifty million, five hundred thirty-six thousand, six hundred sixty-five".
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