Base | Representation |
---|---|
bin | 10011011011000… |
… | …01010110001101 |
3 | 102100120121012212 |
4 | 21231201112031 |
5 | 313202144023 |
6 | 24100040205 |
7 | 4015602533 |
oct | 1155412615 |
9 | 370517185 |
10 | 162928013 |
11 | 83a72256 |
12 | 46693065 |
13 | 279a7411 |
14 | 178d2153 |
15 | e484e78 |
hex | 9b6158d |
162928013 has 4 divisors (see below), whose sum is σ = 163326780. Its totient is φ = 162529248.
The previous prime is 162928009. The next prime is 162928019. The reversal of 162928013 is 310829261.
162928013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310829261 = 311 ⋅999451.
It can be written as a sum of positive squares in 2 ways, for example, as 158206084 + 4721929 = 12578^2 + 2173^2 .
It is a cyclic number.
It is not a de Polignac number, because 162928013 - 22 = 162928009 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 (162928019) 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, 198770 + ... + 199587.
It is an arithmetic number, because the mean of its divisors is an integer number (40831695).
Almost surely, 2162928013 is an apocalyptic number.
It is an amenable number.
162928013 is a deficient number, since it is larger than the sum of its proper divisors (398767).
162928013 is an equidigital number, since it uses as much as digits as its factorization.
162928013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 398766.
The product of its (nonzero) digits is 5184, while the sum is 32.
The square root of 162928013 is about 12764.3257949647. The cubic root of 162928013 is about 546.1751295431.
The spelling of 162928013 in words is "one hundred sixty-two million, nine hundred twenty-eight thousand, thirteen".
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