Base | Representation |
---|---|
bin | 1001110010001001011… |
… | …1000001100111111111 |
3 | 121001211210112010012201 |
4 | 2130202113001213333 |
5 | 10223212011421410 |
6 | 205114233412331 |
7 | 15100120002241 |
oct | 2344227014777 |
9 | 531753463181 |
10 | 168080185855 |
11 | 6531197940a |
12 | 286a986a0a7 |
13 | 12b082a689a |
14 | 81c6ad2091 |
15 | 458b02683a |
hex | 27225c19ff |
168080185855 has 8 divisors (see below), whose sum is σ = 201717081072. Its totient is φ = 134450243328.
The previous prime is 168080185829. The next prime is 168080185859. The reversal of 168080185855 is 558581080861.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 168080185855 - 211 = 168080183807 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 168080185796 and 168080185805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (168080185859) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1684837 + ... + 1781806.
It is an arithmetic number, because the mean of its divisors is an integer number (25214635134).
Almost surely, 2168080185855 is an apocalyptic number.
168080185855 is a deficient number, since it is larger than the sum of its proper divisors (33636895217).
168080185855 is an equidigital number, since it uses as much as digits as its factorization.
168080185855 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3476345.
The product of its (nonzero) digits is 3072000, while the sum is 55.
The spelling of 168080185855 in words is "one hundred sixty-eight billion, eighty million, one hundred eighty-five thousand, eight hundred fifty-five".
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