Base | Representation |
---|---|
bin | 111111100000010011… |
… | …111100000001000000 |
3 | 20112000010102210020111 |
4 | 333200103330001000 |
5 | 2104122041114014 |
6 | 51154113521104 |
7 | 4632521004100 |
oct | 774023740100 |
9 | 215003383214 |
10 | 68187832384 |
11 | 26a11287791 |
12 | 1126bb73194 |
13 | 6578b87219 |
14 | 342c093200 |
15 | 1b914a22c4 |
hex | fe04fc040 |
68187832384 has 63 divisors (see below), whose sum is σ = 157435458687. Its totient is φ = 29217089664.
The previous prime is 68187832379. The next prime is 68187832387. The reversal of 68187832384 is 48323878186.
The square root of 68187832384 is 261128.
It is a perfect power (a square), and thus also a powerful number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68187832387) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14620837 + ... + 14625499.
Almost surely, 268187832384 is an apocalyptic number.
68187832384 is a gapful number since it is divisible by the number (64) formed by its first and last digit.
68187832384 is the 261128-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68187832384
68187832384 is an abundant number, since it is smaller than the sum of its proper divisors (89247626303).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68187832384 is an frugal number, since it uses more digits than its factorization.
68187832384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9352 (or 4672 counting only the distinct ones).
The product of its digits is 12386304, while the sum is 58.
The spelling of 68187832384 in words is "sixty-eight billion, one hundred eighty-seven million, eight hundred thirty-two thousand, three hundred eighty-four".
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