Base | Representation |
---|---|
bin | 11001100001000010… |
… | …11111010100100001 |
3 | 1022100201001122202220 |
4 | 30300201133110201 |
5 | 211023420043142 |
6 | 10143200501253 |
7 | 663321320322 |
oct | 146041372441 |
9 | 38321048686 |
10 | 13698987297 |
11 | 589a7a2a06 |
12 | 27a391a829 |
13 | 13a4148158 |
14 | 93d51c449 |
15 | 5529c42ec |
hex | 33085f521 |
13698987297 has 8 divisors (see below), whose sum is σ = 18266064000. Its totient is φ = 9132284400.
The previous prime is 13698987271. The next prime is 13698987319. The reversal of 13698987297 is 79278989631.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13698987297 - 26 = 13698987233 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13698987227) 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, 7704 + ... + 165702.
It is an arithmetic number, because the mean of its divisors is an integer number (2283258000).
Almost surely, 213698987297 is an apocalyptic number.
It is an amenable number.
13698987297 is a deficient number, since it is larger than the sum of its proper divisors (4567076703).
13698987297 is a wasteful number, since it uses less digits than its factorization.
13698987297 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 186903.
The product of its digits is 82301184, while the sum is 69.
The spelling of 13698987297 in words is "thirteen billion, six hundred ninety-eight million, nine hundred eighty-seven thousand, two hundred ninety-seven".
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