Base | Representation |
---|---|
bin | 1000001101100… |
… | …01010110011011 |
3 | 11210121122220100 |
4 | 10012301112123 |
5 | 120113240432 |
6 | 10500230443 |
7 | 1464334413 |
oct | 406612633 |
9 | 153548810 |
10 | 68883867 |
11 | 35979518 |
12 | 1b09b423 |
13 | 1136a7b0 |
14 | 9211643 |
15 | 60aa07c |
hex | 41b159b |
68883867 has 24 divisors (see below), whose sum is σ = 107495024. Its totient is φ = 42254784.
The previous prime is 68883853. The next prime is 68883877. The reversal of 68883867 is 76838886.
It is a happy number.
It is not a de Polignac number, because 68883867 - 212 = 68879771 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68883877) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 45708 + ... + 47190.
Almost surely, 268883867 is an apocalyptic number.
68883867 is a deficient number, since it is larger than the sum of its proper divisors (38611157).
68883867 is a wasteful number, since it uses less digits than its factorization.
68883867 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1899 (or 1896 counting only the distinct ones).
The product of its digits is 3096576, while the sum is 54.
The square root of 68883867 is about 8299.6305339455. The cubic root of 68883867 is about 409.9263540139.
The spelling of 68883867 in words is "sixty-eight million, eight hundred eighty-three thousand, eight hundred sixty-seven".
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