Base | Representation |
---|---|
bin | 11110111101001100101010… |
… | …11010001011111010101111 |
3 | 22221000202110022101100202010 |
4 | 33132212111122023322233 |
5 | 32410303402444002142 |
6 | 400440301432132303 |
7 | 20224100246165361 |
oct | 1736462532137257 |
9 | 287022408340663 |
10 | 68073443344047 |
11 | 1a765870107799 |
12 | 777510a537093 |
13 | 2bca3b50aa77b |
14 | 12b4ab503cd31 |
15 | 7d0b2e593e9c |
hex | 3de99568beaf |
68073443344047 has 16 divisors (see below), whose sum is σ = 91236467570688. Its totient is φ = 45146365555200.
The previous prime is 68073443343991. The next prime is 68073443344051. The reversal of 68073443344047 is 74044334437086.
It is not a de Polignac number, because 68073443344047 - 28 = 68073443343791 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68073443344547) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33130672 + ... + 35125322.
It is an arithmetic number, because the mean of its divisors is an integer number (5702279223168).
Almost surely, 268073443344047 is an apocalyptic number.
68073443344047 is a deficient number, since it is larger than the sum of its proper divisors (23163024226641).
68073443344047 is a wasteful number, since it uses less digits than its factorization.
68073443344047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2053790.
The product of its (nonzero) digits is 65028096, while the sum is 57.
The spelling of 68073443344047 in words is "sixty-eight trillion, seventy-three billion, four hundred forty-three million, three hundred forty-four thousand, forty-seven".
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