Base | Representation |
---|---|
bin | 1001100011101… |
… | …11101110010001 |
3 | 12120212200020200 |
4 | 10301313232101 |
5 | 131011312121 |
6 | 11542325413 |
7 | 1662352143 |
oct | 461675621 |
9 | 176780220 |
10 | 80182161 |
11 | 41296054 |
12 | 22a29869 |
13 | 137c5287 |
14 | a912c93 |
15 | 708ca26 |
hex | 4c77b91 |
80182161 has 12 divisors (see below), whose sum is σ = 115989120. Its totient is φ = 53376120.
The previous prime is 80182159. The next prime is 80182169. The reversal of 80182161 is 16128108.
It is not a de Polignac number, because 80182161 - 21 = 80182159 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80182169) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 276 + ... + 12666.
It is an arithmetic number, because the mean of its divisors is an integer number (9665760).
Almost surely, 280182161 is an apocalyptic number.
It is an amenable number.
80182161 is a deficient number, since it is larger than the sum of its proper divisors (35806959).
80182161 is a wasteful number, since it uses less digits than its factorization.
80182161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13116 (or 13113 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 27.
The square root of 80182161 is about 8954.4492292938. The cubic root of 80182161 is about 431.2137350727.
The spelling of 80182161 in words is "eighty million, one hundred eighty-two thousand, one hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •