Base | Representation |
---|---|
bin | 11001011001001101… |
… | …11101100110111101 |
3 | 1022012010111001212102 |
4 | 30230212331212331 |
5 | 210410112010323 |
6 | 10132453114445 |
7 | 661563151562 |
oct | 145446754675 |
9 | 38163431772 |
10 | 13633313213 |
11 | 5866717003 |
12 | 2785928a25 |
13 | 1393662650 |
14 | 934904869 |
15 | 54bd50328 |
hex | 32c9bd9bd |
13633313213 has 8 divisors (see below), whose sum is σ = 14682936408. Its totient is φ = 12583819584.
The previous prime is 13633313203. The next prime is 13633313233. The reversal of 13633313213 is 31231333631.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 484792324 + 13148520889 = 22018^2 + 114667^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13633313213 - 212 = 13633309117 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 (13633313203) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401195 + ... + 433847.
It is an arithmetic number, because the mean of its divisors is an integer number (1835367051).
Almost surely, 213633313213 is an apocalyptic number.
13633313213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
13633313213 is a deficient number, since it is larger than the sum of its proper divisors (1049623195).
13633313213 is a wasteful number, since it uses less digits than its factorization.
13633313213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64783.
The product of its digits is 8748, while the sum is 29.
Adding to 13633313213 its reverse (31231333631), we get a palindrome (44864646844).
The spelling of 13633313213 in words is "thirteen billion, six hundred thirty-three million, three hundred thirteen thousand, two hundred thirteen".
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