Base | Representation |
---|---|
bin | 1100000001000110010010… |
… | …0101010000111110101001 |
3 | 1201210011002011112211121112 |
4 | 3000101210211100332221 |
5 | 3212440214231033334 |
6 | 44033545505320105 |
7 | 2532415425332222 |
oct | 300214445207651 |
9 | 51704064484545 |
10 | 13213006892969 |
11 | 4234671a24114 |
12 | 1594929336035 |
13 | 74ac9a920860 |
14 | 339727748249 |
15 | 17da799704ce |
hex | c0464950fa9 |
13213006892969 has 8 divisors (see below), whose sum is σ = 14274279715080. Its totient is φ = 12158146596096.
The previous prime is 13213006892909. The next prime is 13213006892971. The reversal of 13213006892969 is 96929860031231.
It can be written as a sum of positive squares in 4 ways, for example, as 178654155625 + 13034352737344 = 422675^2 + 3610312^2 .
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 13213006892969 - 28 = 13213006892713 is a prime.
It is a super-2 number, since 2×132130068929692 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13213006892909) 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, 1603127024 + ... + 1603135265.
It is an arithmetic number, because the mean of its divisors is an integer number (1784284964385).
Almost surely, 213213006892969 is an apocalyptic number.
It is an amenable number.
13213006892969 is a deficient number, since it is larger than the sum of its proper divisors (1061272822111).
13213006892969 is a wasteful number, since it uses less digits than its factorization.
13213006892969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3206262619.
The product of its (nonzero) digits is 7558272, while the sum is 59.
The spelling of 13213006892969 in words is "thirteen trillion, two hundred thirteen billion, six million, eight hundred ninety-two thousand, nine hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •