Base | Representation |
---|---|
bin | 10011001100110… |
… | …11100000011110 |
3 | 102020002011020201 |
4 | 21212123200132 |
5 | 312213202321 |
6 | 23552134114 |
7 | 3664031113 |
oct | 1146334036 |
9 | 366064221 |
10 | 161069086 |
11 | 82a12652 |
12 | 45b3733a |
13 | 274a6269 |
14 | 1756a90a |
15 | e219291 |
hex | 999b81e |
161069086 has 4 divisors (see below), whose sum is σ = 241603632. Its totient is φ = 80534542.
The previous prime is 161069063. The next prime is 161069107. The reversal of 161069086 is 680960161.
161069086 is digitally balanced in base 2, 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: 680960161 = 7 ⋅97280023.
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, 40267270 + ... + 40267273.
It is an arithmetic number, because the mean of its divisors is an integer number (60400908).
Almost surely, 2161069086 is an apocalyptic number.
161069086 is a deficient number, since it is larger than the sum of its proper divisors (80534546).
161069086 is an equidigital number, since it uses as much as digits as its factorization.
161069086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80534545.
The product of its (nonzero) digits is 15552, while the sum is 37.
The square root of 161069086 is about 12691.2996182424. The cubic root of 161069086 is about 544.0899843037.
The spelling of 161069086 in words is "one hundred sixty-one million, sixty-nine thousand, eighty-six".
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