Base | Representation |
---|---|
bin | 1001100011001111010… |
… | …0111110001000110100 |
3 | 120200111220020022011022 |
4 | 2120303310332020310 |
5 | 10142013020000033 |
6 | 203213155000312 |
7 | 14566004244026 |
oct | 2306364761064 |
9 | 520456208138 |
10 | 164078281268 |
11 | 63648a04250 |
12 | 27971599098 |
13 | 1261b1692c5 |
14 | 7d27404016 |
15 | 4404a27098 |
hex | 2633d3e234 |
164078281268 has 96 divisors (see below), whose sum is σ = 350963601408. Its totient is φ = 66195852800.
The previous prime is 164078281261. The next prime is 164078281271. The reversal of 164078281268 is 862182870461.
164078281268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (164078281261) 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 31 ways as a sum of consecutive naturals, for example, 1154321 + ... + 1288647.
It is an arithmetic number, because the mean of its divisors is an integer number (3655870848).
Almost surely, 2164078281268 is an apocalyptic number.
It is an amenable number.
164078281268 is an abundant number, since it is smaller than the sum of its proper divisors (186885320140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
164078281268 is a wasteful number, since it uses less digits than its factorization.
164078281268 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 134453 (or 134451 counting only the distinct ones).
The product of its (nonzero) digits is 2064384, while the sum is 53.
The spelling of 164078281268 in words is "one hundred sixty-four billion, seventy-eight million, two hundred eighty-one thousand, two hundred sixty-eight".
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