Base | Representation |
---|---|
bin | 10111010101110111… |
… | …110101011010111100 |
3 | 2101200200111100022011 |
4 | 113111313311122330 |
5 | 402312113121340 |
6 | 15302551301004 |
7 | 1545041104540 |
oct | 272567653274 |
9 | 71620440264 |
10 | 25063020220 |
11 | a6a1470057 |
12 | 4a3567a764 |
13 | 24956000a4 |
14 | 12da8ada20 |
15 | 9ba4c00ea |
hex | 5d5df56bc |
25063020220 has 24 divisors (see below), whose sum is σ = 60151248864. Its totient is φ = 8593035456.
The previous prime is 25063020197. The next prime is 25063020271. The reversal of 25063020220 is 2202036052.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 25063020191 and 25063020200.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89510647 + ... + 89510926.
It is an arithmetic number, because the mean of its divisors is an integer number (2506302036).
Almost surely, 225063020220 is an apocalyptic number.
25063020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
25063020220 is an abundant number, since it is smaller than the sum of its proper divisors (35088228644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25063020220 is a wasteful number, since it uses less digits than its factorization.
25063020220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 179021589 (or 179021587 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 22.
Adding to 25063020220 its reverse (2202036052), we get a palindrome (27265056272).
The spelling of 25063020220 in words is "twenty-five billion, sixty-three million, twenty thousand, two hundred twenty".
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