Base | Representation |
---|---|
bin | 1001011011100100100… |
… | …1110001000111101001 |
3 | 120111012110110122210121 |
4 | 2112321021301013221 |
5 | 10123304123313101 |
6 | 202233033443241 |
7 | 14464003266535 |
oct | 2267111610751 |
9 | 514173418717 |
10 | 162020135401 |
11 | 62792162853 |
12 | 27498270521 |
13 | 12380943c07 |
14 | 7badd30bc5 |
15 | 4333ecb0a1 |
hex | 25b92711e9 |
162020135401 has 4 divisors (see below), whose sum is σ = 162022132692. Its totient is φ = 162018138112.
The previous prime is 162020135377. The next prime is 162020135429. The reversal of 162020135401 is 104531020261.
It is a happy number.
162020135401 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.
It can be written as a sum of positive squares in 2 ways, for example, as 139950061801 + 22070073600 = 374099^2 + 148560^2 .
It is a cyclic number.
It is not a de Polignac number, because 162020135401 - 29 = 162020134889 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (162020135801) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871576 + ... + 1041001.
It is an arithmetic number, because the mean of its divisors is an integer number (40505533173).
Almost surely, 2162020135401 is an apocalyptic number.
It is an amenable number.
162020135401 is a deficient number, since it is larger than the sum of its proper divisors (1997291).
162020135401 is an equidigital number, since it uses as much as digits as its factorization.
162020135401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1997290.
The product of its (nonzero) digits is 1440, while the sum is 25.
Adding to 162020135401 its reverse (104531020261), we get a palindrome (266551155662).
The spelling of 162020135401 in words is "one hundred sixty-two billion, twenty million, one hundred thirty-five thousand, four hundred one".
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