Base | Representation |
---|---|
bin | 101000110010110… |
… | …1001100000000100 |
3 | 10112101200110021020 |
4 | 1101211221200010 |
5 | 10300404330222 |
6 | 343454351140 |
7 | 45630544656 |
oct | 12145514004 |
9 | 3471613236 |
10 | 1368823812 |
11 | 642735654 |
12 | 3224bb4b0 |
13 | 18a784325 |
14 | cdb186d6 |
15 | 8028765c |
hex | 51969804 |
1368823812 has 12 divisors (see below), whose sum is σ = 3193922256. Its totient is φ = 456274600.
The previous prime is 1368823801. The next prime is 1368823871. The reversal of 1368823812 is 2183288631.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×13688238122 = 3747357256596422688, 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 3 ways as a sum of consecutive naturals, for example, 57034314 + ... + 57034337.
It is an arithmetic number, because the mean of its divisors is an integer number (266160188).
Almost surely, 21368823812 is an apocalyptic number.
1368823812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1368823812 is an abundant number, since it is smaller than the sum of its proper divisors (1825098444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1368823812 is a wasteful number, since it uses less digits than its factorization.
1368823812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 114068658 (or 114068656 counting only the distinct ones).
The product of its digits is 110592, while the sum is 42.
The square root of 1368823812 is about 36997.6190044711. The cubic root of 1368823812 is about 1110.3226105533.
The spelling of 1368823812 in words is "one billion, three hundred sixty-eight million, eight hundred twenty-three thousand, eight hundred twelve".
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