Base | Representation |
---|---|
bin | 11001000011010111… |
… | …10111100111101001 |
3 | 1021201100122100000221 |
4 | 30201223313213221 |
5 | 210021203100100 |
6 | 10102345130041 |
7 | 654206352556 |
oct | 144153674751 |
9 | 37640570027 |
10 | 13450050025 |
11 | 5782225725 |
12 | 2734489921 |
13 | 13646b83a9 |
14 | 91843ba2d |
15 | 53ac0001a |
hex | 321af79e9 |
13450050025 has 12 divisors (see below), whose sum is σ = 16742965212. Its totient is φ = 10718167040.
The previous prime is 13450050007. The next prime is 13450050071. The reversal of 13450050025 is 52005005431.
It can be written as a sum of positive squares in 6 ways, for example, as 387617344 + 13062432681 = 19688^2 + 114291^2 .
It is not a de Polignac number, because 13450050025 - 25 = 13450049993 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1040272 + ... + 1053121.
It is an arithmetic number, because the mean of its divisors is an integer number (1395247101).
Almost surely, 213450050025 is an apocalyptic number.
It is an amenable number.
13450050025 is a deficient number, since it is larger than the sum of its proper divisors (3292915187).
13450050025 is a wasteful number, since it uses less digits than its factorization.
13450050025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2093660 (or 2093655 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 25.
Adding to 13450050025 its reverse (52005005431), we get a palindrome (65455055456).
The spelling of 13450050025 in words is "thirteen billion, four hundred fifty million, fifty thousand, twenty-five".
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