Base | Representation |
---|---|
bin | 100101100100011001… |
… | …0111110011111111011 |
3 | 21201020121022002210220 |
4 | 1023020302332133323 |
5 | 2310212110431343 |
6 | 101021342111123 |
7 | 5554165351515 |
oct | 1131062763773 |
9 | 251217262726 |
10 | 80678217723 |
11 | 312408290a4 |
12 | 13776b7b4a3 |
13 | 77b97b878c |
14 | 3c94c82bb5 |
15 | 2172cdc183 |
hex | 12c8cbe7fb |
80678217723 has 8 divisors (see below), whose sum is σ = 107583725568. Its totient is φ = 53779094184.
The previous prime is 80678217707. The next prime is 80678217751. The reversal of 80678217723 is 32771287608.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80678217723 - 24 = 80678217707 is a prime.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (80678217623) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1566511 + ... + 1617192.
It is an arithmetic number, because the mean of its divisors is an integer number (13447965696).
Almost surely, 280678217723 is an apocalyptic number.
80678217723 is a deficient number, since it is larger than the sum of its proper divisors (26905507845).
80678217723 is a wasteful number, since it uses less digits than its factorization.
80678217723 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3192153.
The product of its (nonzero) digits is 1580544, while the sum is 51.
The spelling of 80678217723 in words is "eighty billion, six hundred seventy-eight million, two hundred seventeen thousand, seven hundred twenty-three".
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