Base | Representation |
---|---|
bin | 10111101111111100… |
… | …10110101001101010 |
3 | 1012220120211221111122 |
4 | 23313332112221222 |
5 | 202103031041100 |
6 | 5505110055242 |
7 | 630651234152 |
oct | 136776265152 |
9 | 35816757448 |
10 | 12750252650 |
11 | 5453204593 |
12 | 257a04a522 |
13 | 128271a2c5 |
14 | 88d517762 |
15 | 4e956c985 |
hex | 2f7f96a6a |
12750252650 has 12 divisors (see below), whose sum is σ = 23715470022. Its totient is φ = 5100101040.
The previous prime is 12750252649. The next prime is 12750252673. The reversal of 12750252650 is 5625205721.
It can be written as a sum of positive squares in 3 ways, for example, as 9169786081 + 3580466569 = 95759^2 + 59837^2 .
It is a super-4 number, since 4×127502526504 (a number of 42 digits) contains 4444 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12750252650.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127502477 + ... + 127502576.
Almost surely, 212750252650 is an apocalyptic number.
12750252650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12750252650 is a deficient number, since it is larger than the sum of its proper divisors (10965217372).
12750252650 is a wasteful number, since it uses less digits than its factorization.
12750252650 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 255005065 (or 255005060 counting only the distinct ones).
The product of its (nonzero) digits is 42000, while the sum is 35.
The spelling of 12750252650 in words is "twelve billion, seven hundred fifty million, two hundred fifty-two thousand, six hundred fifty".
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