Base | Representation |
---|---|
bin | 101000110001011… |
… | …0011100000100000 |
3 | 10112100021120201012 |
4 | 1101202303200200 |
5 | 10300212001433 |
6 | 343430400052 |
7 | 45621321446 |
oct | 12142634040 |
9 | 3470246635 |
10 | 1368078368 |
11 | 642276588 |
12 | 322200028 |
13 | 18a582c37 |
14 | cd9a2b96 |
15 | 8018b848 |
hex | 518b3820 |
1368078368 has 48 divisors (see below), whose sum is σ = 2763240480. Its totient is φ = 666387456.
The previous prime is 1368078343. The next prime is 1368078389. The reversal of 1368078368 is 8638708631.
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 7 ways as a sum of consecutive naturals, for example, 641528 + ... + 643656.
It is an arithmetic number, because the mean of its divisors is an integer number (57567510).
Almost surely, 21368078368 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1368078368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1381620240).
1368078368 is an abundant number, since it is smaller than the sum of its proper divisors (1395162112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1368078368 is a wasteful number, since it uses less digits than its factorization.
1368078368 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2649 (or 2641 counting only the distinct ones).
The product of its (nonzero) digits is 1161216, while the sum is 50.
The square root of 1368078368 is about 36987.5434166693. The cubic root of 1368078368 is about 1110.1210181071.
The spelling of 1368078368 in words is "one billion, three hundred sixty-eight million, seventy-eight thousand, three hundred sixty-eight".
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