Base | Representation |
---|---|
bin | 111111010110111111… |
… | …011101000101010011 |
3 | 20111121020012122102210 |
4 | 333112333131011103 |
5 | 2103312023432414 |
6 | 51130410243203 |
7 | 4625611635615 |
oct | 772677350523 |
9 | 214536178383 |
10 | 68031467859 |
11 | 26940a98803 |
12 | 11227726503 |
13 | 655266a434 |
14 | 34153ccdb5 |
15 | 1b828b6e59 |
hex | fd6fdd153 |
68031467859 has 16 divisors (see below), whose sum is σ = 92188536320. Its totient is φ = 44618502240.
The previous prime is 68031467843. The next prime is 68031467869. The reversal of 68031467859 is 95876413086.
It is not a de Polignac number, because 68031467859 - 24 = 68031467843 is a prime.
It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 68031467799 and 68031467808.
It is not an unprimeable number, because it can be changed into a prime (68031467839) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452497 + ... + 583794.
It is an arithmetic number, because the mean of its divisors is an integer number (5761783520).
Almost surely, 268031467859 is an apocalyptic number.
68031467859 is a deficient number, since it is larger than the sum of its proper divisors (24157068461).
68031467859 is a wasteful number, since it uses less digits than its factorization.
68031467859 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1036650.
The product of its (nonzero) digits is 8709120, while the sum is 57.
The spelling of 68031467859 in words is "sixty-eight billion, thirty-one million, four hundred sixty-seven thousand, eight hundred fifty-nine".
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