Base | Representation |
---|---|
bin | 10111101001001001… |
… | …011101100000000101 |
3 | 2102112020000010212011 |
4 | 113221021131200011 |
5 | 403442410023231 |
6 | 15355022454221 |
7 | 1556045623066 |
oct | 275111354005 |
9 | 72466003764 |
10 | 25386407941 |
11 | a847a69034 |
12 | 4b05a34371 |
13 | 25175c927b |
14 | 132b81056d |
15 | 9d8a9d9b1 |
hex | 5e925d805 |
25386407941 has 12 divisors (see below), whose sum is σ = 26569595052. Its totient is φ = 24253883456.
The previous prime is 25386407939. The next prime is 25386407953. The reversal of 25386407941 is 14970468352.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 17807834916 + 7578573025 = 133446^2 + 87055^2 .
It is not a de Polignac number, because 25386407941 - 21 = 25386407939 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 (25386407741) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 425355 + ... + 481351.
It is an arithmetic number, because the mean of its divisors is an integer number (2214132921).
It is a 1-persistent number, because it is pandigital, but 2⋅25386407941 = 50772815882 is not.
Almost surely, 225386407941 is an apocalyptic number.
It is an amenable number.
25386407941 is a deficient number, since it is larger than the sum of its proper divisors (1183187111).
25386407941 is an equidigital number, since it uses as much as digits as its factorization.
25386407941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56900 (or 56877 counting only the distinct ones).
The product of its (nonzero) digits is 1451520, while the sum is 49.
The spelling of 25386407941 in words is "twenty-five billion, three hundred eighty-six million, four hundred seven thousand, nine hundred forty-one".
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