Base | Representation |
---|---|
bin | 111111100010001101… |
… | …001001010100110010 |
3 | 20112002100020001220000 |
4 | 333202031021110302 |
5 | 2104203204400242 |
6 | 51201210530430 |
7 | 4633355041350 |
oct | 774215112462 |
9 | 215070201800 |
10 | 68219606322 |
11 | 26a28209a3a |
12 | 1127a736a16 |
13 | 658263077a |
14 | 34323a47d0 |
15 | 1b9417ba4c |
hex | fe2349532 |
68219606322 has 320 divisors, whose sum is σ = 189784995840. Its totient is φ = 17897241600.
The previous prime is 68219606311. The next prime is 68219606387. The reversal of 68219606322 is 22360691286.
68219606322 is a `hidden beast` number, since 6 + 8 + 2 + 1 + 9 + 6 + 0 + 632 + 2 = 666.
68219606322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 62186878 + ... + 62187974.
It is an arithmetic number, because the mean of its divisors is an integer number (593078112).
Almost surely, 268219606322 is an apocalyptic number.
68219606322 is a gapful number since it is divisible by the number (62) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 68219606322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94892497920).
68219606322 is an abundant number, since it is smaller than the sum of its proper divisors (121565389518).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68219606322 is a wasteful number, since it uses less digits than its factorization.
68219606322 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1239 (or 1230 counting only the distinct ones).
The product of its (nonzero) digits is 373248, while the sum is 45.
It can be divided in two parts, 68219 and 606322, that added together give a triangular number (674541 = T1161).
The spelling of 68219606322 in words is "sixty-eight billion, two hundred nineteen million, six hundred six thousand, three hundred twenty-two".
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