Base | Representation |
---|---|
bin | 11000011101010111… |
… | …00011111100001001 |
3 | 1020220010200012012102 |
4 | 30032223203330021 |
5 | 203343041433223 |
6 | 10010555123145 |
7 | 643255243445 |
oct | 141653437411 |
9 | 36803605172 |
10 | 13131202313 |
11 | 5629248719 |
12 | 26657434b5 |
13 | 131361b7c8 |
14 | 8c7d5d825 |
15 | 51cc1b928 |
hex | 30eae3f09 |
13131202313 has 8 divisors (see below), whose sum is σ = 13160870016. Its totient is φ = 13101555600.
The previous prime is 13131202223. The next prime is 13131202321. The reversal of 13131202313 is 31320213131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13131202313 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13131202333) 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, 2307770 + ... + 2313452.
It is an arithmetic number, because the mean of its divisors is an integer number (1645108752).
Almost surely, 213131202313 is an apocalyptic number.
It is an amenable number.
13131202313 is a deficient number, since it is larger than the sum of its proper divisors (29667703).
13131202313 is an equidigital number, since it uses as much as digits as its factorization.
13131202313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10495.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 13131202313 its reverse (31320213131), we get a palindrome (44451415444).
The spelling of 13131202313 in words is "thirteen billion, one hundred thirty-one million, two hundred two thousand, three hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •