Base | Representation |
---|---|
bin | 1000001100111… |
… | …11100011111110 |
3 | 11210110221221210 |
4 | 10012133203332 |
5 | 120103423011 |
6 | 10454505250 |
7 | 1463612115 |
oct | 406374376 |
9 | 153427853 |
10 | 68811006 |
11 | 35929800 |
12 | 1b065226 |
13 | 11343594 |
14 | 91d2c7c |
15 | 60936a6 |
hex | 419f8fe |
68811006 has 24 divisors (see below), whose sum is σ = 151272072. Its totient is φ = 20851600.
The previous prime is 68810993. The next prime is 68811023. The reversal of 68811006 is 60011886.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46665 + ... + 48116.
It is an arithmetic number, because the mean of its divisors is an integer number (6303003).
Almost surely, 268811006 is an apocalyptic number.
68811006 is a gapful number since it is divisible by the number (66) formed by its first and last digit.
68811006 is an abundant number, since it is smaller than the sum of its proper divisors (82461066).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68811006 is a wasteful number, since it uses less digits than its factorization.
68811006 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94808 (or 94797 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 30.
The square root of 68811006 is about 8295.2399603628. The cubic root of 68811006 is about 409.7817716307.
It can be divided in two parts, 6881 and 1006, that added together give a palindrome (7887).
The spelling of 68811006 in words is "sixty-eight million, eight hundred eleven thousand, six".
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