Base | Representation |
---|---|
bin | 10011011110101… |
… | …11100011000001 |
3 | 102101111012100021 |
4 | 21233113203001 |
5 | 313313142121 |
6 | 24114253441 |
7 | 4022660203 |
oct | 1157274301 |
9 | 371435307 |
10 | 163412161 |
11 | 84272a80 |
12 | 46887281 |
13 | 27b168b3 |
14 | 179ba773 |
15 | e52d641 |
hex | 9bd78c1 |
163412161 has 8 divisors (see below), whose sum is σ = 178373664. Its totient is φ = 148468320.
The previous prime is 163412159. The next prime is 163412189. The reversal of 163412161 is 161214361.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 163412161 - 21 = 163412159 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (163412131) 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, 21661 + ... + 28213.
It is an arithmetic number, because the mean of its divisors is an integer number (22296708).
Almost surely, 2163412161 is an apocalyptic number.
163412161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
163412161 is a deficient number, since it is larger than the sum of its proper divisors (14961503).
163412161 is a wasteful number, since it uses less digits than its factorization.
163412161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8831.
The product of its digits is 864, while the sum is 25.
The square root of 163412161 is about 12783.2766143896. The cubic root of 163412161 is about 546.7155893076.
The spelling of 163412161 in words is "one hundred sixty-three million, four hundred twelve thousand, one hundred sixty-one".
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