Base | Representation |
---|---|
bin | 1001100011001111101… |
… | …1110110010111101001 |
3 | 120200112000121220200002 |
4 | 2120303323312113221 |
5 | 10142014000200312 |
6 | 203213301352345 |
7 | 14566025464112 |
oct | 2306373662751 |
9 | 520460556602 |
10 | 164080084457 |
11 | 63649a25a93 |
12 | 279721086b5 |
13 | 1261b64ac93 |
14 | 7d27753209 |
15 | 4404c814c2 |
hex | 2633ef65e9 |
164080084457 has 4 divisors (see below), whose sum is σ = 164090136900. Its totient is φ = 164070032016.
The previous prime is 164080084409. The next prime is 164080084459. The reversal of 164080084457 is 754480080461.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 33660873961 + 130419210496 = 183469^2 + 361136^2 .
It is a cyclic number.
It is not a de Polignac number, because 164080084457 - 230 = 163006342633 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (164080084459) 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 3 ways as a sum of consecutive naturals, for example, 5001698 + ... + 5034395.
It is an arithmetic number, because the mean of its divisors is an integer number (41022534225).
Almost surely, 2164080084457 is an apocalyptic number.
It is an amenable number.
164080084457 is a deficient number, since it is larger than the sum of its proper divisors (10052443).
164080084457 is a wasteful number, since it uses less digits than its factorization.
164080084457 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10052442.
The product of its (nonzero) digits is 860160, while the sum is 47.
The spelling of 164080084457 in words is "one hundred sixty-four billion, eighty million, eighty-four thousand, four hundred fifty-seven".
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