Base | Representation |
---|---|
bin | 100000000000101101… |
… | …1000001111101111000 |
3 | 20120102211201111021210 |
4 | 1000001123001331320 |
5 | 2111241243334041 |
6 | 51325200203120 |
7 | 4652344514400 |
oct | 1000133017570 |
9 | 216384644253 |
10 | 68743339896 |
11 | 27176906800 |
12 | 113a60094a0 |
13 | 6636ca54aa |
14 | 3481b77800 |
15 | 1bc5132016 |
hex | 10016c1f78 |
68743339896 has 288 divisors, whose sum is σ = 220385128320. Its totient is φ = 17803336320.
The previous prime is 68743339879. The next prime is 68743339919. The reversal of 68743339896 is 69893334786.
It is a Harshad number since it is a multiple of its sum of digits (66).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 83527341 + ... + 83528163.
It is an arithmetic number, because the mean of its divisors is an integer number (765226140).
Almost surely, 268743339896 is an apocalyptic number.
68743339896 is a gapful number since it is divisible by the number (66) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68743339896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110192564160).
68743339896 is an abundant number, since it is smaller than the sum of its proper divisors (151641788424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68743339896 is a wasteful number, since it uses less digits than its factorization.
68743339896 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1455 (or 1433 counting only the distinct ones).
The product of its digits is 141087744, while the sum is 66.
The spelling of 68743339896 in words is "sixty-eight billion, seven hundred forty-three million, three hundred thirty-nine thousand, eight hundred ninety-six".
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