Base | Representation |
---|---|
bin | 10011001101000… |
… | …01110111001110 |
3 | 102020010110221212 |
4 | 21212201313032 |
5 | 312220020433 |
6 | 23552454422 |
7 | 3664200032 |
oct | 1146416716 |
9 | 366113855 |
10 | 161095118 |
11 | 82a30168 |
12 | 45b4a412 |
13 | 274b5072 |
14 | 175761c2 |
15 | e221d48 |
hex | 99a1dce |
161095118 has 4 divisors (see below), whose sum is σ = 241642680. Its totient is φ = 80547558.
The previous prime is 161095079. The next prime is 161095139. The reversal of 161095118 is 811590161.
161095118 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 811590161 = 3533 ⋅229717.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40273778 + ... + 40273781.
It is an arithmetic number, because the mean of its divisors is an integer number (60410670).
Almost surely, 2161095118 is an apocalyptic number.
161095118 is a deficient number, since it is larger than the sum of its proper divisors (80547562).
161095118 is an equidigital number, since it uses as much as digits as its factorization.
161095118 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80547561.
The product of its (nonzero) digits is 2160, while the sum is 32.
The square root of 161095118 is about 12692.3251612933. The cubic root of 161095118 is about 544.1192946819.
The spelling of 161095118 in words is "one hundred sixty-one million, ninety-five thousand, one hundred eighteen".
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