Base | Representation |
---|---|
bin | 10111011011001000… |
… | …000000000001001101 |
3 | 2101220211022111102100 |
4 | 113123020000001031 |
5 | 403002143102023 |
6 | 15315420145313 |
7 | 1550161124322 |
oct | 273310000115 |
9 | 71824274370 |
10 | 25151144013 |
11 | a73718a836 |
12 | 4a5b098239 |
13 | 24aa946048 |
14 | 130848cb49 |
15 | 9c30cac43 |
hex | 5db20004d |
25151144013 has 12 divisors (see below), whose sum is σ = 37311307228. Its totient is φ = 16314255360.
The previous prime is 25151143993. The next prime is 25151144021. The reversal of 25151144013 is 31044115152.
25151144013 is a `hidden beast` number, since 2 + 515 + 1 + 144 + 0 + 1 + 3 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 15671784969 + 9479359044 = 125187^2 + 97362^2 .
It is not a de Polignac number, because 25151144013 - 214 = 25151127629 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25151144093) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37764148 + ... + 37764813.
Almost surely, 225151144013 is an apocalyptic number.
It is an amenable number.
25151144013 is a deficient number, since it is larger than the sum of its proper divisors (12160163215).
25151144013 is a wasteful number, since it uses less digits than its factorization.
25151144013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75529004 (or 75529001 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 27.
Adding to 25151144013 its reverse (31044115152), we get a palindrome (56195259165).
The spelling of 25151144013 in words is "twenty-five billion, one hundred fifty-one million, one hundred forty-four thousand, thirteen".
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