Base | Representation |
---|---|
bin | 100000000111010010… |
… | …0110101111010010101 |
3 | 20121000012221222200010 |
4 | 1000032210311322111 |
5 | 2112214242001030 |
6 | 51403122110433 |
7 | 4660664314311 |
oct | 1001644657225 |
9 | 217005858603 |
10 | 68964015765 |
11 | 2727a430857 |
12 | 11447aab419 |
13 | 667091b728 |
14 | 34a31bcb41 |
15 | 1bd96c26b0 |
hex | 100e935e95 |
68964015765 has 16 divisors (see below), whose sum is σ = 113033704896. Its totient is φ = 35883715200.
The previous prime is 68964015751. The next prime is 68964015793. The reversal of 68964015765 is 56751046986.
It is not a de Polignac number, because 68964015765 - 25 = 68964015733 is a prime.
It is a congruent number.
It is an unprimeable number.
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, 56067691 + ... + 56068920.
It is an arithmetic number, because the mean of its divisors is an integer number (7064606556).
Almost surely, 268964015765 is an apocalyptic number.
It is an amenable number.
68964015765 is a deficient number, since it is larger than the sum of its proper divisors (44069689131).
68964015765 is a wasteful number, since it uses less digits than its factorization.
68964015765 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112136660.
The product of its (nonzero) digits is 10886400, while the sum is 57.
The spelling of 68964015765 in words is "sixty-eight billion, nine hundred sixty-four million, fifteen thousand, seven hundred sixty-five".
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