Base | Representation |
---|---|
bin | 110101101111001000… |
… | …011110000000110001 |
3 | 12111221010222020112221 |
4 | 311233020132000301 |
5 | 1421131430102110 |
6 | 42301231121041 |
7 | 4111556653015 |
oct | 655710360061 |
9 | 174833866487 |
10 | 57699065905 |
11 | 22519689238 |
12 | b223373181 |
13 | 5596b48b20 |
14 | 2b15060545 |
15 | 177a7497da |
hex | d6f21e031 |
57699065905 has 16 divisors (see below), whose sum is σ = 75109227984. Its totient is φ = 42297523200.
The previous prime is 57699065903. The next prime is 57699065909. The reversal of 57699065905 is 50956099675.
It can be written as a sum of positive squares in 8 ways, for example, as 10067312896 + 47631753009 = 100336^2 + 218247^2 .
It is not a de Polignac number, because 57699065905 - 21 = 57699065903 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57699065903) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3230796 + ... + 3248605.
It is an arithmetic number, because the mean of its divisors is an integer number (4694326749).
Almost surely, 257699065905 is an apocalyptic number.
It is an amenable number.
57699065905 is a deficient number, since it is larger than the sum of its proper divisors (17410162079).
57699065905 is a wasteful number, since it uses less digits than its factorization.
57699065905 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6479556.
The product of its (nonzero) digits is 22963500, while the sum is 61.
The spelling of 57699065905 in words is "fifty-seven billion, six hundred ninety-nine million, sixty-five thousand, nine hundred five".
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