Base | Representation |
---|---|
bin | 1001011111100110101… |
… | …0001000010110110101 |
3 | 120120222212212102020200 |
4 | 2113321222020112311 |
5 | 10133013201023023 |
6 | 202532253351113 |
7 | 14532554123334 |
oct | 2277152102665 |
9 | 516885772220 |
10 | 163102361013 |
11 | 63198037989 |
12 | 2773a798499 |
13 | 124c3c104b7 |
14 | 7c73963d1b |
15 | 4399000743 |
hex | 25f9a885b5 |
163102361013 has 18 divisors (see below), whose sum is σ = 236366753922. Its totient is φ = 108377559360.
The previous prime is 163102361011. The next prime is 163102361041. The reversal of 163102361013 is 310163201361.
163102361013 is a `hidden beast` number, since 1 + 6 + 3 + 10 + 23 + 610 + 13 = 666.
It can be written as a sum of positive squares in 3 ways, for example, as 3951631044 + 159150729969 = 62862^2 + 398937^2 .
It is not a de Polignac number, because 163102361013 - 21 = 163102361011 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (163102361011) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21567753 + ... + 21575313.
It is an arithmetic number, because the mean of its divisors is an integer number (13131486329).
Almost surely, 2163102361013 is an apocalyptic number.
It is an amenable number.
163102361013 is a deficient number, since it is larger than the sum of its proper divisors (73264392909).
163102361013 is an frugal number, since it uses more digits than its factorization.
163102361013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15445 (or 7881 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 27.
Adding to 163102361013 its reverse (310163201361), we get a palindrome (473265562374).
The spelling of 163102361013 in words is "one hundred sixty-three billion, one hundred two million, three hundred sixty-one thousand, thirteen".
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