Base | Representation |
---|---|
bin | 11000100100001101… |
… | …10100111001100111 |
3 | 1021001010211102120111 |
4 | 30102012310321213 |
5 | 204002300300234 |
6 | 10020411113451 |
7 | 644553640642 |
oct | 142206647147 |
9 | 37033742514 |
10 | 13188681319 |
11 | 5658737530 |
12 | 2680a42887 |
13 | 13224c5158 |
14 | 8d1842a59 |
15 | 522cc2664 |
hex | 3121b4e67 |
13188681319 has 8 divisors (see below), whose sum is σ = 14396547600. Its totient is φ = 11982297600.
The previous prime is 13188681301. The next prime is 13188681349. The reversal of 13188681319 is 91318688131.
It is a happy number.
13188681319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 13188681319 - 25 = 13188681287 is a prime.
It is a super-2 number, since 2×131886813192 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13188681349) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351994 + ... + 387655.
It is an arithmetic number, because the mean of its divisors is an integer number (1799568450).
Almost surely, 213188681319 is an apocalyptic number.
13188681319 is a deficient number, since it is larger than the sum of its proper divisors (1207866281).
13188681319 is a wasteful number, since it uses less digits than its factorization.
13188681319 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 741281.
The product of its digits is 248832, while the sum is 49.
The spelling of 13188681319 in words is "thirteen billion, one hundred eighty-eight million, six hundred eighty-one thousand, three hundred nineteen".
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