Base | Representation |
---|---|
bin | 11000011010010000… |
… | …11000001110111001 |
3 | 1020211022202020121202 |
4 | 30031020120032321 |
5 | 203314412431410 |
6 | 10004225543545 |
7 | 642521244212 |
oct | 141510301671 |
9 | 36738666552 |
10 | 13105202105 |
11 | 56155aa346 |
12 | 2658aa4bb5 |
13 | 130b117278 |
14 | 8c4712409 |
15 | 51a7d2ca5 |
hex | 30d2183b9 |
13105202105 has 8 divisors (see below), whose sum is σ = 16233540864. Its totient is φ = 10145962800.
The previous prime is 13105202093. The next prime is 13105202137. The reversal of 13105202105 is 50120250131.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13105202105 - 212 = 13105198009 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42274691 + ... + 42275000.
It is an arithmetic number, because the mean of its divisors is an integer number (2029192608).
Almost surely, 213105202105 is an apocalyptic number.
It is an amenable number.
13105202105 is a deficient number, since it is larger than the sum of its proper divisors (3128338759).
13105202105 is an equidigital number, since it uses as much as digits as its factorization.
13105202105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84549727.
The product of its (nonzero) digits is 300, while the sum is 20.
Adding to 13105202105 its reverse (50120250131), we get a palindrome (63225452236).
The spelling of 13105202105 in words is "thirteen billion, one hundred five million, two hundred two thousand, one hundred five".
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