Base | Representation |
---|---|
bin | 1001011111010001001… |
… | …0110100100001100101 |
3 | 120120202121112010002101 |
4 | 2113310102310201211 |
5 | 10132322131130024 |
6 | 202515320412101 |
7 | 14530412143450 |
oct | 2276422644145 |
9 | 516677463071 |
10 | 163012364389 |
11 | 63151259106 |
12 | 27714617031 |
13 | 124ab38cc64 |
14 | 7c65a18497 |
15 | 4391174c44 |
hex | 25f44b4865 |
163012364389 has 4 divisors (see below), whose sum is σ = 186299845024. Its totient is φ = 139724883756.
The previous prime is 163012364363. The next prime is 163012364419. The reversal of 163012364389 is 983463210361.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 983463210361 = 287347 ⋅3422563.
It is a cyclic number.
It is not a de Polignac number, because 163012364389 - 25 = 163012364357 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (163012364329) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11643740307 + ... + 11643740320.
It is an arithmetic number, because the mean of its divisors is an integer number (46574961256).
Almost surely, 2163012364389 is an apocalyptic number.
It is an amenable number.
163012364389 is a deficient number, since it is larger than the sum of its proper divisors (23287480635).
163012364389 is an equidigital number, since it uses as much as digits as its factorization.
163012364389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23287480634.
The product of its (nonzero) digits is 559872, while the sum is 46.
The spelling of 163012364389 in words is "one hundred sixty-three billion, twelve million, three hundred sixty-four thousand, three hundred eighty-nine".
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