Base | Representation |
---|---|
bin | 10011001100110… |
… | …11010010111001 |
3 | 102020002010001112 |
4 | 21212123102321 |
5 | 312213140332 |
6 | 23552130105 |
7 | 3664025432 |
oct | 1146332271 |
9 | 366063045 |
10 | 161068217 |
11 | 82a11a32 |
12 | 45b36935 |
13 | 274a5a4b |
14 | 1756a489 |
15 | e218db2 |
hex | 999b4b9 |
161068217 has 8 divisors (see below), whose sum is σ = 171311616. Its totient is φ = 150910272.
The previous prime is 161068211. The next prime is 161068231. The reversal of 161068217 is 712860161.
It is a happy number.
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 161068217 - 214 = 161051833 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (161068211) 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, 17453 + ... + 25034.
It is an arithmetic number, because the mean of its divisors is an integer number (21413952).
Almost surely, 2161068217 is an apocalyptic number.
161068217 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
It is an amenable number.
161068217 is a deficient number, since it is larger than the sum of its proper divisors (10243399).
161068217 is a wasteful number, since it uses less digits than its factorization.
161068217 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42727.
The product of its (nonzero) digits is 4032, while the sum is 32.
The square root of 161068217 is about 12691.2653821437. The cubic root of 161068217 is about 544.0890058104.
The spelling of 161068217 in words is "one hundred sixty-one million, sixty-eight thousand, two hundred seventeen".
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