Base | Representation |
---|---|
bin | 1000001101101… |
… | …00110110010011 |
3 | 11210122101120000 |
4 | 10012310312103 |
5 | 120114220240 |
6 | 10500421043 |
7 | 1464424242 |
oct | 406646623 |
9 | 153571500 |
10 | 68898195 |
11 | 35989263 |
12 | 1b0a7783 |
13 | 11374182 |
14 | 9216959 |
15 | 60ae430 |
hex | 41b4d93 |
68898195 has 40 divisors (see below), whose sum is σ = 130784544. Its totient is φ = 34580736.
The previous prime is 68898173. The next prime is 68898209. The reversal of 68898195 is 59189886.
It is not a de Polignac number, because 68898195 - 29 = 68897683 is a prime.
It is a super-2 number, since 2×688981952 = 9493922548516050, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1882 + ... + 11888.
Almost surely, 268898195 is an apocalyptic number.
68898195 is a deficient number, since it is larger than the sum of its proper divisors (61886349).
68898195 is a wasteful number, since it uses less digits than its factorization.
68898195 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10041 (or 10032 counting only the distinct ones).
The product of its digits is 1244160, while the sum is 54.
The square root of 68898195 is about 8300.4936600181. The cubic root of 68898195 is about 409.9547739129.
The spelling of 68898195 in words is "sixty-eight million, eight hundred ninety-eight thousand, one hundred ninety-five".
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