Base | Representation |
---|---|
bin | 100000000000101110… |
… | …1110100011110011011 |
3 | 20120102220002122021012 |
4 | 1000001131310132123 |
5 | 2111241440233232 |
6 | 51325224004135 |
7 | 4652353651160 |
oct | 1000135643633 |
9 | 216386078235 |
10 | 68744071067 |
11 | 27177266081 |
12 | 113a630064b |
13 | 66371a0239 |
14 | 3481cc8067 |
15 | 1bc52289b2 |
hex | 100177479b |
68744071067 has 8 divisors (see below), whose sum is σ = 79342521312. Its totient is φ = 58340088000.
The previous prime is 68744071013. The next prime is 68744071069. The reversal of 68744071067 is 76017044786.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68744071067 - 218 = 68743808923 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68744071069) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48616034 + ... + 48617447.
It is an arithmetic number, because the mean of its divisors is an integer number (9917815164).
Almost surely, 268744071067 is an apocalyptic number.
68744071067 is a deficient number, since it is larger than the sum of its proper divisors (10598450245).
68744071067 is a wasteful number, since it uses less digits than its factorization.
68744071067 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97233589.
The product of its (nonzero) digits is 1580544, while the sum is 50.
The spelling of 68744071067 in words is "sixty-eight billion, seven hundred forty-four million, seventy-one thousand, sixty-seven".
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