Base | Representation |
---|---|
bin | 11000100100110101… |
… | …10011001001100001 |
3 | 1021001111200102121112 |
4 | 30102122303021201 |
5 | 204010120321100 |
6 | 10021115233105 |
7 | 644646305252 |
oct | 142232631141 |
9 | 37044612545 |
10 | 13193917025 |
11 | 5660693163 |
12 | 2682748795 |
13 | 13236092c3 |
14 | 8d2406b29 |
15 | 5234a8b35 |
hex | 3126b3261 |
13193917025 has 6 divisors (see below), whose sum is σ = 16360457142. Its totient is φ = 10555133600.
The previous prime is 13193917013. The next prime is 13193917027. The reversal of 13193917025 is 52071939131.
It can be written as a sum of positive squares in 3 ways, for example, as 1220524096 + 11973392929 = 34936^2 + 109423^2 .
It is not a de Polignac number, because 13193917025 - 214 = 13193900641 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13193917027) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 263878316 + ... + 263878365.
It is an arithmetic number, because the mean of its divisors is an integer number (2726742857).
Almost surely, 213193917025 is an apocalyptic number.
It is an amenable number.
13193917025 is a deficient number, since it is larger than the sum of its proper divisors (3166540117).
13193917025 is an equidigital number, since it uses as much as digits as its factorization.
13193917025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 527756691 (or 527756686 counting only the distinct ones).
The product of its (nonzero) digits is 51030, while the sum is 41.
The spelling of 13193917025 in words is "thirteen billion, one hundred ninety-three million, nine hundred seventeen thousand, twenty-five".
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