Base | Representation |
---|---|
bin | 111111100001110101… |
… | …001111101000000010 |
3 | 20112001220102202000222 |
4 | 333201311033220002 |
5 | 2104200103400144 |
6 | 51200424343042 |
7 | 4633250554223 |
oct | 774165175002 |
9 | 215056382028 |
10 | 68213340674 |
11 | 26a2471a516 |
12 | 11278614a82 |
13 | 658124889b |
14 | 343161324a |
15 | 1b938402ee |
hex | fe1d4fa02 |
68213340674 has 16 divisors (see below), whose sum is σ = 106351515648. Its totient is φ = 32785047792.
The previous prime is 68213340653. The next prime is 68213340677. The reversal of 68213340674 is 47604331286.
It is not an unprimeable number, because it can be changed into a prime (68213340677) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 5546882 + ... + 5559165.
It is an arithmetic number, because the mean of its divisors is an integer number (6646969728).
Almost surely, 268213340674 is an apocalyptic number.
68213340674 is a deficient number, since it is larger than the sum of its proper divisors (38138174974).
68213340674 is a wasteful number, since it uses less digits than its factorization.
68213340674 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11106169.
The product of its (nonzero) digits is 580608, while the sum is 44.
The spelling of 68213340674 in words is "sixty-eight billion, two hundred thirteen million, three hundred forty thousand, six hundred seventy-four".
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