Base | Representation |
---|---|
bin | 1001100011001101101… |
… | …1011011111111100000 |
3 | 120200111102122020110101 |
4 | 2120303123123333200 |
5 | 10142004311302213 |
6 | 203212355312144 |
7 | 14565563325412 |
oct | 2306333337740 |
9 | 520442566411 |
10 | 164071587808 |
11 | 63645152367 |
12 | 2796b2ab654 |
13 | 1261996478b |
14 | 7d265809b2 |
15 | 4404153bdd |
hex | 26336dbfe0 |
164071587808 has 48 divisors (see below), whose sum is σ = 343419816096. Its totient is φ = 76988454400.
The previous prime is 164071587791. The next prime is 164071587817. The reversal of 164071587808 is 808785170461.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2064043 + ... + 2142058.
It is an arithmetic number, because the mean of its divisors is an integer number (7154579502).
Almost surely, 2164071587808 is an apocalyptic number.
It is an amenable number.
164071587808 is an abundant number, since it is smaller than the sum of its proper divisors (179348228288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
164071587808 is a wasteful number, since it uses less digits than its factorization.
164071587808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4206187 (or 4206179 counting only the distinct ones).
The product of its (nonzero) digits is 3010560, while the sum is 55.
The spelling of 164071587808 in words is "one hundred sixty-four billion, seventy-one million, five hundred eighty-seven thousand, eight hundred eight".
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