Base | Representation |
---|---|
bin | 1100001000011… |
… | …01101111100001 |
3 | 21002111100200011 |
4 | 12010031233201 |
5 | 202023040121 |
6 | 14033124521 |
7 | 2344005115 |
oct | 604155741 |
9 | 232440604 |
10 | 101768161 |
11 | 52499a20 |
12 | 2a0b9741 |
13 | 18112561 |
14 | d731745 |
15 | 8e037e1 |
hex | 610dbe1 |
101768161 has 8 divisors (see below), whose sum is σ = 116863200. Its totient is φ = 87647040.
The previous prime is 101768159. The next prime is 101768197. The reversal of 101768161 is 161867101.
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 101768161 - 21 = 101768159 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (101768101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243256 + ... + 243673.
It is an arithmetic number, because the mean of its divisors is an integer number (14607900).
Almost surely, 2101768161 is an apocalyptic number.
101768161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
101768161 is the 4512-nd centered decagonal number.
It is an amenable number.
101768161 is a deficient number, since it is larger than the sum of its proper divisors (15095039).
101768161 is a wasteful number, since it uses less digits than its factorization.
101768161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 486959.
The product of its (nonzero) digits is 2016, while the sum is 31.
The square root of 101768161 is about 10088.0206680994. The cubic root of 101768161 is about 466.8786082084.
The spelling of 101768161 in words is "one hundred one million, seven hundred sixty-eight thousand, one hundred sixty-one".
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