Base | Representation |
---|---|
bin | 11111100110011000100000… |
… | …00101111111100010111001 |
3 | 100010001001002020110220101001 |
4 | 33303030100011333202321 |
5 | 33102000020221412231 |
6 | 403442333002525001 |
7 | 20431244642305201 |
oct | 1763142005774271 |
9 | 303031066426331 |
10 | 69488545888441 |
11 | 20160a21656129 |
12 | 7963419506761 |
13 | 2ca0984855334 |
14 | 1323399323401 |
15 | 807853521b61 |
hex | 3f331017f8b9 |
69488545888441 has 9 divisors (see below), whose sum is σ = 69635594045199. Its totient is φ = 69341807650104.
The previous prime is 69488545888439. The next prime is 69488545888471. The reversal of 69488545888441 is 14488854588496.
The square root of 69488545888441 is 8335979.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 73053981225 + 69415491907216 = 270285^2 + 8331596^2 .
It is not a de Polignac number, because 69488545888441 - 21 = 69488545888439 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (69488545888471) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4059613215 + ... + 4059630331.
Almost surely, 269488545888441 is an apocalyptic number.
69488545888441 is the 8335979-th square number.
69488545888441 is the 4167990-th centered octagonal number.
It is an amenable number.
69488545888441 is a deficient number, since it is larger than the sum of its proper divisors (147048156758).
69488545888441 is an frugal number, since it uses more digits than its factorization.
69488545888441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35208 (or 17604 counting only the distinct ones).
The product of its digits is 11324620800, while the sum is 82.
The spelling of 69488545888441 in words is "sixty-nine trillion, four hundred eighty-eight billion, five hundred forty-five million, eight hundred eighty-eight thousand, four hundred forty-one".
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