Base | Representation |
---|---|
bin | 100000000000101010… |
… | …1111111110001111110 |
3 | 20120102202020110000222 |
4 | 1000001111333301332 |
5 | 2111240424121342 |
6 | 51325112021342 |
7 | 4652330350061 |
oct | 1000125776176 |
9 | 216382213028 |
10 | 68742020222 |
11 | 27176095267 |
12 | 113a5691852 |
13 | 6636932915 |
14 | 34819128d8 |
15 | 1bc4e70ed2 |
hex | 100157fc7e |
68742020222 has 8 divisors (see below), whose sum is σ = 103124318376. Its totient is φ = 34367247432.
The previous prime is 68742020203. The next prime is 68742020231. The reversal of 68742020222 is 22202024786.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1858448 + ... + 1895075.
It is an arithmetic number, because the mean of its divisors is an integer number (12890539797).
Almost surely, 268742020222 is an apocalyptic number.
68742020222 is a deficient number, since it is larger than the sum of its proper divisors (34382298154).
68742020222 is a wasteful number, since it uses less digits than its factorization.
68742020222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3762682.
The product of its (nonzero) digits is 43008, while the sum is 35.
The spelling of 68742020222 in words is "sixty-eight billion, seven hundred forty-two million, twenty thousand, two hundred twenty-two".
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