Base | Representation |
---|---|
bin | 10111110111000101… |
… | …011111110110111001 |
3 | 2110010112000112220200 |
4 | 113313011133312321 |
5 | 404432241000131 |
6 | 15434134512413 |
7 | 1564615350351 |
oct | 276705376671 |
9 | 73115015820 |
10 | 25620250041 |
11 | a957a66071 |
12 | 4b70205709 |
13 | 2553ba2289 |
14 | 13508c1b61 |
15 | 9ee3902e6 |
hex | 5f715fdb9 |
25620250041 has 24 divisors (see below), whose sum is σ = 37899912960. Its totient is φ = 16670095296.
The previous prime is 25620250037. The next prime is 25620250043. The reversal of 25620250041 is 14005202652.
It is not a de Polignac number, because 25620250041 - 22 = 25620250037 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 25620249987 and 25620250014.
It is not an unprimeable number, because it can be changed into a prime (25620250043) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67501 + ... + 236213.
It is an arithmetic number, because the mean of its divisors is an integer number (1579163040).
Almost surely, 225620250041 is an apocalyptic number.
It is an amenable number.
25620250041 is a deficient number, since it is larger than the sum of its proper divisors (12279662919).
25620250041 is a wasteful number, since it uses less digits than its factorization.
25620250041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 169125 (or 169122 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
Adding to 25620250041 its reverse (14005202652), we get a palindrome (39625452693).
The spelling of 25620250041 in words is "twenty-five billion, six hundred twenty million, two hundred fifty thousand, forty-one".
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