Base | Representation |
---|---|
bin | 10011001101001… |
… | …01000101001101 |
3 | 102020011011001010 |
4 | 21212211011031 |
5 | 312220431201 |
6 | 23553035433 |
7 | 3664253334 |
oct | 1146450515 |
9 | 366134033 |
10 | 161108301 |
11 | 82a3a062 |
12 | 45b55b79 |
13 | 274bb073 |
14 | 1757ad1b |
15 | e225bd6 |
hex | 99a514d |
161108301 has 16 divisors (see below), whose sum is σ = 219466368. Its totient is φ = 105100800.
The previous prime is 161108279. The next prime is 161108317. The reversal of 161108301 is 103801161.
It is not a de Polignac number, because 161108301 - 26 = 161108237 is a prime.
It is a super-2 number, since 2×1611083012 = 51911769302213202, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (161108341) 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 15 ways as a sum of consecutive naturals, for example, 26421 + ... + 31941.
It is an arithmetic number, because the mean of its divisors is an integer number (13716648).
Almost surely, 2161108301 is an apocalyptic number.
It is an amenable number.
161108301 is a deficient number, since it is larger than the sum of its proper divisors (58358067).
161108301 is a wasteful number, since it uses less digits than its factorization.
161108301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5732.
The product of its (nonzero) digits is 144, while the sum is 21.
The square root of 161108301 is about 12692.8444802574. The cubic root of 161108301 is about 544.1341366980.
Adding to 161108301 its reverse (103801161), we get a palindrome (264909462).
The spelling of 161108301 in words is "one hundred sixty-one million, one hundred eight thousand, three hundred one".
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