Base | Representation |
---|---|
bin | 111100100010101101… |
… | …011111011100011001 |
3 | 20012210102212122112121 |
4 | 330202231133130121 |
5 | 2031113224010212 |
6 | 45510322341241 |
7 | 4460634123226 |
oct | 744255373431 |
9 | 205712778477 |
10 | 65006860057 |
11 | 25629750137 |
12 | 107227ba821 |
13 | 618cb4b389 |
14 | 320981c94d |
15 | 1a570b1d07 |
hex | f22b5f719 |
65006860057 has 4 divisors (see below), whose sum is σ = 65437369216. Its totient is φ = 64576350900.
The previous prime is 65006860019. The next prime is 65006860067. The reversal of 65006860057 is 75006860056.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 65006860057 - 211 = 65006858009 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 65006859995 and 65006860022.
It is not an unprimeable number, because it can be changed into a prime (65006860067) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215254353 + ... + 215254654.
It is an arithmetic number, because the mean of its divisors is an integer number (16359342304).
Almost surely, 265006860057 is an apocalyptic number.
It is an amenable number.
65006860057 is a deficient number, since it is larger than the sum of its proper divisors (430509159).
65006860057 is a wasteful number, since it uses less digits than its factorization.
65006860057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 430509158.
The product of its (nonzero) digits is 302400, while the sum is 43.
Subtracting 65006860057 from its reverse (75006860056), we obtain a palindrome (9999999999).
The spelling of 65006860057 in words is "sixty-five billion, six million, eight hundred sixty thousand, fifty-seven".
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