Base | Representation |
---|---|
bin | 10111111110110101… |
… | …100001100101010000 |
3 | 2110110120200210012122 |
4 | 113332311201211100 |
5 | 410214032434103 |
6 | 15455101513412 |
7 | 1601054526110 |
oct | 277665414520 |
9 | 73416623178 |
10 | 25750280528 |
11 | aa143a8985 |
12 | 4ba7872868 |
13 | 2574acb8ab |
14 | 1363c8d040 |
15 | a0a9c7b38 |
hex | 5fed61950 |
25750280528 has 40 divisors (see below), whose sum is σ = 60372510912. Its totient is φ = 10386667008.
The previous prime is 25750280527. The next prime is 25750280531. The reversal of 25750280528 is 82508205752.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25750280527) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6760250 + ... + 6764057.
Almost surely, 225750280528 is an apocalyptic number.
25750280528 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
25750280528 is an abundant number, since it is smaller than the sum of its proper divisors (34622230384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25750280528 is a wasteful number, since it uses less digits than its factorization.
25750280528 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13524339 (or 13524333 counting only the distinct ones).
The product of its (nonzero) digits is 448000, while the sum is 44.
The spelling of 25750280528 in words is "twenty-five billion, seven hundred fifty million, two hundred eighty thousand, five hundred twenty-eight".
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