Base | Representation |
---|---|
bin | 10011000110000010… |
… | …100110110101101101 |
3 | 1221220211221221011201 |
4 | 103012002212311231 |
5 | 313442111110300 |
6 | 13230234245501 |
7 | 1324032606262 |
oct | 230602466555 |
9 | 57824857151 |
10 | 20502441325 |
11 | 8771103693 |
12 | 3b82286891 |
13 | 1c19805cb2 |
14 | dc6d15269 |
15 | 7eee1766a |
hex | 4c60a6d6d |
20502441325 has 12 divisors (see below), whose sum is σ = 26243125888. Its totient is φ = 15872857200.
The previous prime is 20502441319. The next prime is 20502441391. The reversal of 20502441325 is 52314420502.
It is not a de Polignac number, because 20502441325 - 233 = 11912506733 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20502441293 and 20502441302.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13226607 + ... + 13228156.
Almost surely, 220502441325 is an apocalyptic number.
20502441325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20502441325 is a deficient number, since it is larger than the sum of its proper divisors (5740684563).
20502441325 is a wasteful number, since it uses less digits than its factorization.
20502441325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26454804 (or 26454799 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 28.
Adding to 20502441325 its reverse (52314420502), we get a palindrome (72816861827).
The spelling of 20502441325 in words is "twenty billion, five hundred two million, four hundred forty-one thousand, three hundred twenty-five".
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