Base | Representation |
---|---|
bin | 111111110100010100… |
… | …111110010010101111 |
3 | 20112212112022222220101 |
4 | 333310110332102233 |
5 | 2110314023220200 |
6 | 51251311331531 |
7 | 4644036253633 |
oct | 776424762257 |
9 | 215775288811 |
10 | 68523648175 |
11 | 270738a40a4 |
12 | 11344520ba7 |
13 | 66006151a8 |
14 | 346090adc3 |
15 | 1bb0bd826a |
hex | ff453e4af |
68523648175 has 12 divisors (see below), whose sum is σ = 85324851360. Its totient is φ = 54589545920.
The previous prime is 68523648169. The next prime is 68523648199. The reversal of 68523648175 is 57184632586.
It is a happy number.
It is not a de Polignac number, because 68523648175 - 219 = 68523123887 is a prime.
It is a super-2 number, since 2×685236481752 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5728222 + ... + 5740171.
It is an arithmetic number, because the mean of its divisors is an integer number (7110404280).
Almost surely, 268523648175 is an apocalyptic number.
68523648175 is a deficient number, since it is larger than the sum of its proper divisors (16801203185).
68523648175 is a wasteful number, since it uses less digits than its factorization.
68523648175 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11468642 (or 11468637 counting only the distinct ones).
The product of its digits is 9676800, while the sum is 55.
The spelling of 68523648175 in words is "sixty-eight billion, five hundred twenty-three million, six hundred forty-eight thousand, one hundred seventy-five".
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