Base | Representation |
---|---|
bin | 11000101010101101… |
… | …10110010110110010 |
3 | 1021011221102221022001 |
4 | 30111112312112302 |
5 | 204110230310414 |
6 | 10030040004214 |
7 | 646115312056 |
oct | 142526662662 |
9 | 37157387261 |
10 | 13243213234 |
11 | 56864a3129 |
12 | 269716066a |
13 | 13308a9264 |
14 | 8d8b99c66 |
15 | 527995074 |
hex | 3155b65b2 |
13243213234 has 8 divisors (see below), whose sum is σ = 20401706988. Its totient is φ = 6442644240.
The previous prime is 13243213213. The next prime is 13243213253. The reversal of 13243213234 is 43231234231.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 12330992025 + 912221209 = 111045^2 + 30203^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×132432132342 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89481097 + ... + 89481244.
Almost surely, 213243213234 is an apocalyptic number.
13243213234 is a deficient number, since it is larger than the sum of its proper divisors (7158493754).
13243213234 is a wasteful number, since it uses less digits than its factorization.
13243213234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 178962380.
The product of its digits is 10368, while the sum is 28.
Adding to 13243213234 its reverse (43231234231), we get a palindrome (56474447465).
The spelling of 13243213234 in words is "thirteen billion, two hundred forty-three million, two hundred thirteen thousand, two hundred thirty-four".
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