Base | Representation |
---|---|
bin | 111100100110111101… |
… | …001100110110010000 |
3 | 20012222101220100121121 |
4 | 330212331030312100 |
5 | 2031234442241211 |
6 | 45521345132024 |
7 | 4462460420143 |
oct | 744675146620 |
9 | 205871810547 |
10 | 65078087056 |
11 | 2566597a024 |
12 | 1074262a014 |
13 | 61a1829528 |
14 | 321508005a |
15 | 1a5d481271 |
hex | f26f4cd90 |
65078087056 has 40 divisors (see below), whose sum is σ = 136762043544. Its totient is φ = 29878026240.
The previous prime is 65078087051. The next prime is 65078087089.
65078087056 is nontrivially palindromic in base 10.
It can be written as a sum of positive squares in 4 ways, for example, as 10240000 + 65067847056 = 3200^2 + 255084^2 .
It is a junction number, because it is equal to n+sod(n) for n = 65078086994 and 65078087012.
It is not an unprimeable number, because it can be changed into a prime (65078087051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2906625 + ... + 2928928.
Almost surely, 265078087056 is an apocalyptic number.
It is an amenable number.
65078087056 is an abundant number, since it is smaller than the sum of its proper divisors (71683956488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65078087056 is a wasteful number, since it uses less digits than its factorization.
65078087056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5835619 (or 5835613 counting only the distinct ones).
The product of its (nonzero) digits is 2822400, while the sum is 52.
The spelling of 65078087056 in words is "sixty-five billion, seventy-eight million, eighty-seven thousand, fifty-six".
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