Base | Representation |
---|---|
bin | 1110101010100… |
… | …01010010101001 |
3 | 22120110212201112 |
4 | 13111101102221 |
5 | 222443010421 |
6 | 20112400105 |
7 | 3022423166 |
oct | 725212251 |
9 | 276425645 |
10 | 123016361 |
11 | 63492016 |
12 | 35246035 |
13 | 1c641b60 |
14 | 124a306d |
15 | abee45b |
hex | 75514a9 |
123016361 has 8 divisors (see below), whose sum is σ = 132909504. Its totient is φ = 113184720.
The previous prime is 123016349. The next prime is 123016363. The reversal of 123016361 is 163610321.
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 123016361 - 26 = 123016297 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (123016363) 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, 11171 + ... + 19256.
It is an arithmetic number, because the mean of its divisors is an integer number (16613688).
Almost surely, 2123016361 is an apocalyptic number.
It is an amenable number.
123016361 is a deficient number, since it is larger than the sum of its proper divisors (9893143).
123016361 is a wasteful number, since it uses less digits than its factorization.
123016361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30751.
The product of its (nonzero) digits is 648, while the sum is 23.
The square root of 123016361 is about 11091.2740927271. The cubic root of 123016361 is about 497.3410328530.
Adding to 123016361 its reverse (163610321), we get a palindrome (286626682).
The spelling of 123016361 in words is "one hundred twenty-three million, sixteen thousand, three hundred sixty-one".
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