Base | Representation |
---|---|
bin | 100000000001000111… |
… | …0101011111101100010 |
3 | 20120110210012110112102 |
4 | 1000002032223331202 |
5 | 2111303230200000 |
6 | 51330402330402 |
7 | 4652600563511 |
oct | 1000216537542 |
9 | 216423173472 |
10 | 68756881250 |
11 | 27183515602 |
12 | 113aa659a02 |
13 | 6639a36c25 |
14 | 34838a0678 |
15 | 1bc64093d5 |
hex | 10023abf62 |
68756881250 has 48 divisors (see below), whose sum is σ = 129481462656. Its totient is φ = 27381030000.
The previous prime is 68756881213. The next prime is 68756881261. The reversal of 68756881250 is 5218865786.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1394519 + ... + 1442981.
It is an arithmetic number, because the mean of its divisors is an integer number (2697530472).
Almost surely, 268756881250 is an apocalyptic number.
68756881250 is a deficient number, since it is larger than the sum of its proper divisors (60724581406).
68756881250 is an equidigital number, since it uses as much as digits as its factorization.
68756881250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48717 (or 48697 counting only the distinct ones).
The product of its (nonzero) digits is 6451200, while the sum is 56.
The spelling of 68756881250 in words is "sixty-eight billion, seven hundred fifty-six million, eight hundred eighty-one thousand, two hundred fifty".
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