Base | Representation |
---|---|
bin | 1000001101000… |
… | …01100101001011 |
3 | 11210111101022001 |
4 | 10012201211023 |
5 | 120104204100 |
6 | 10455011431 |
7 | 1463645200 |
oct | 406414513 |
9 | 153441261 |
10 | 68819275 |
11 | 35934a38 |
12 | 1b069b77 |
13 | 11347285 |
14 | 91d5ca7 |
15 | 6095d6a |
hex | 41a194b |
68819275 has 18 divisors (see below), whose sum is σ = 99270060. Its totient is φ = 47189520.
The previous prime is 68819263. The next prime is 68819299. The reversal of 68819275 is 57291886.
It is not a de Polignac number, because 68819275 - 211 = 68817227 is a prime.
It is a super-2 number, since 2×688192752 = 9472185223051250, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26865 + ... + 29314.
Almost surely, 268819275 is an apocalyptic number.
68819275 is a deficient number, since it is larger than the sum of its proper divisors (30450785).
68819275 is a wasteful number, since it uses less digits than its factorization.
68819275 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56203 (or 56191 counting only the distinct ones).
The product of its digits is 241920, while the sum is 46.
The square root of 68819275 is about 8295.7383637624. The cubic root of 68819275 is about 409.7981854281.
The spelling of 68819275 in words is "sixty-eight million, eight hundred nineteen thousand, two hundred seventy-five".
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