Base | Representation |
---|---|
bin | 10111111011100001001111… |
… | …100111110000011011101101 |
3 | 111210122100021221200001002101 |
4 | 113323201033213300123231 |
5 | 102243314144344140440 |
6 | 1011500552315455101 |
7 | 31111500345240562 |
oct | 2773411747603355 |
9 | 453570257601071 |
10 | 105245214443245 |
11 | 305972768a82a8 |
12 | b979289457491 |
13 | 46957729b08b6 |
14 | 1bdbc775aa869 |
15 | c27a09b1269a |
hex | 5fb84f9f06ed |
105245214443245 has 8 divisors (see below), whose sum is σ = 126339346337400. Its totient is φ = 84166112217600.
The previous prime is 105245214443221. The next prime is 105245214443249. The reversal of 105245214443245 is 542344412542501.
It can be written as a sum of positive squares in 4 ways, for example, as 428509015236 + 104816705428009 = 654606^2 + 10238003^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 105245214443245 - 211 = 105245214441197 is a prime.
It is a super-3 number, since 3×1052452144432453 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 105245214443195 and 105245214443204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105245214443249) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3757401720 + ... + 3757429729.
It is an arithmetic number, because the mean of its divisors is an integer number (15792418292175).
Almost surely, 2105245214443245 is an apocalyptic number.
It is an amenable number.
105245214443245 is a deficient number, since it is larger than the sum of its proper divisors (21094131894155).
105245214443245 is an equidigital number, since it uses as much as digits as its factorization.
105245214443245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7514834255.
The product of its (nonzero) digits is 3072000, while the sum is 46.
Adding to 105245214443245 its reverse (542344412542501), we get a palindrome (647589626985746).
The spelling of 105245214443245 in words is "one hundred five trillion, two hundred forty-five billion, two hundred fourteen million, four hundred forty-three thousand, two hundred forty-five".
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