Base | Representation |
---|---|
bin | 11000111000001111… |
… | …01001011111011010 |
3 | 1021110211221002012101 |
4 | 30130013221133122 |
5 | 204323301401030 |
6 | 10045211434014 |
7 | 651663545425 |
oct | 143407513732 |
9 | 37424832171 |
10 | 13356668890 |
11 | 5734545034 |
12 | 270915590a |
13 | 134b251496 |
14 | 909c909bc |
15 | 5329067ca |
hex | 31c1e97da |
13356668890 has 8 divisors (see below), whose sum is σ = 24042004020. Its totient is φ = 5342667552.
The previous prime is 13356668839. The next prime is 13356668893. The reversal of 13356668890 is 9886665331.
It can be written as a sum of positive squares in 2 ways, for example, as 12520938609 + 835730281 = 111897^2 + 28909^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (13356668893) by changing a digit.
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 in 3 ways as a sum of consecutive naturals, for example, 667833435 + ... + 667833454.
Almost surely, 213356668890 is an apocalyptic number.
13356668890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13356668890 is a deficient number, since it is larger than the sum of its proper divisors (10685335130).
13356668890 is a wasteful number, since it uses less digits than its factorization.
13356668890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1335666896.
The product of its (nonzero) digits is 5598720, while the sum is 55.
The spelling of 13356668890 in words is "thirteen billion, three hundred fifty-six million, six hundred sixty-eight thousand, eight hundred ninety".
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