Base | Representation |
---|---|
bin | 10111010101001000… |
… | …11010111000000001 |
3 | 1012022220122201121201 |
4 | 23222210122320001 |
5 | 201122442203101 |
6 | 5430513421201 |
7 | 622250502364 |
oct | 135244327001 |
9 | 35286581551 |
10 | 12525350401 |
11 | 5348263163 |
12 | 251686a801 |
13 | 1247c54455 |
14 | 86b6d20db |
15 | 4d4944e01 |
hex | 2ea91ae01 |
12525350401 has 4 divisors (see below), whose sum is σ = 12547058692. Its totient is φ = 12503642112.
The previous prime is 12525350377. The next prime is 12525350437. The reversal of 12525350401 is 10405352521.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 7729926400 + 4795424001 = 87920^2 + 69249^2 .
It is a cyclic number.
It is not a de Polignac number, because 12525350401 - 27 = 12525350273 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12525350401.
It is not an unprimeable number, because it can be changed into a prime (12525330401) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10853280 + ... + 10854433.
It is an arithmetic number, because the mean of its divisors is an integer number (3136764673).
Almost surely, 212525350401 is an apocalyptic number.
It is an amenable number.
12525350401 is a deficient number, since it is larger than the sum of its proper divisors (21708291).
12525350401 is an equidigital number, since it uses as much as digits as its factorization.
12525350401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21708290.
The product of its (nonzero) digits is 6000, while the sum is 28.
The spelling of 12525350401 in words is "twelve billion, five hundred twenty-five million, three hundred fifty thousand, four hundred one".
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