Base | Representation |
---|---|
bin | 11000110010110100… |
… | …01111111001010110 |
3 | 1021100200101200122011 |
4 | 30121122033321112 |
5 | 204230132310032 |
6 | 10040505254434 |
7 | 650602305403 |
oct | 143132177126 |
9 | 37320350564 |
10 | 13311213142 |
11 | 57109184a7 |
12 | 26b5a9441a |
13 | 13419c75a6 |
14 | 903c1b2aa |
15 | 52d928247 |
hex | 31968fe56 |
13311213142 has 4 divisors (see below), whose sum is σ = 19966819716. Its totient is φ = 6655606570.
The previous prime is 13311213031. The next prime is 13311213169. The reversal of 13311213142 is 24131211331.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3327803284 + ... + 3327803287.
It is an arithmetic number, because the mean of its divisors is an integer number (4991704929).
Almost surely, 213311213142 is an apocalyptic number.
13311213142 is a deficient number, since it is larger than the sum of its proper divisors (6655606574).
13311213142 is an equidigital number, since it uses as much as digits as its factorization.
13311213142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6655606573.
The product of its digits is 432, while the sum is 22.
Adding to 13311213142 its reverse (24131211331), we get a palindrome (37442424473).
The spelling of 13311213142 in words is "thirteen billion, three hundred eleven million, two hundred thirteen thousand, one hundred forty-two".
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