Base | Representation |
---|---|
bin | 10111100000000100… |
… | …001010110010101001 |
3 | 2102010121021022122021 |
4 | 113200010022302221 |
5 | 403134402310031 |
6 | 15331540424441 |
7 | 1552215451606 |
oct | 274004126251 |
9 | 72117238567 |
10 | 25234025641 |
11 | a779a49a50 |
12 | 4a829a8121 |
13 | 24c1b74c26 |
14 | 13154a56ad |
15 | 9ca4ed511 |
hex | 5e010aca9 |
25234025641 has 8 divisors (see below), whose sum is σ = 28272029184. Its totient is φ = 22320022320.
The previous prime is 25234025629. The next prime is 25234025653. The reversal of 25234025641 is 14652043252.
It is an interprime number because it is at equal distance from previous prime (25234025629) and next prime (25234025653).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 25234025641 - 29 = 25234025129 is a prime.
It is a Duffinian number.
25234025641 is a modest number, since divided by 25641 gives 25234 as remainder.
It is a junction number, because it is equal to n+sod(n) for n = 25234025597 and 25234025606.
It is not an unprimeable number, because it can be changed into a prime (25234025441) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30999625 + ... + 31000438.
It is an arithmetic number, because the mean of its divisors is an integer number (3534003648).
Almost surely, 225234025641 is an apocalyptic number.
It is an amenable number.
25234025641 is a deficient number, since it is larger than the sum of its proper divisors (3038003543).
25234025641 is a wasteful number, since it uses less digits than its factorization.
25234025641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62000111.
The product of its (nonzero) digits is 57600, while the sum is 34.
Adding to 25234025641 its reverse (14652043252), we get a palindrome (39886068893).
The spelling of 25234025641 in words is "twenty-five billion, two hundred thirty-four million, twenty-five thousand, six hundred forty-one".
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