Base | Representation |
---|---|
bin | 10111100010110110… |
… | …011100000100100010 |
3 | 2102020212012120110020 |
4 | 113202312130010202 |
5 | 403233333224200 |
6 | 15340330214310 |
7 | 1553323616652 |
oct | 274266340442 |
9 | 72225176406 |
10 | 25280758050 |
11 | a7a3368779 |
12 | 4a96584396 |
13 | 24cb757c42 |
14 | 131b78c362 |
15 | 9ce67eea0 |
hex | 5e2d9c122 |
25280758050 has 24 divisors (see below), whose sum is σ = 62696280336. Its totient is φ = 6741535440.
The previous prime is 25280758003. The next prime is 25280758057. The reversal of 25280758050 is 5085708252.
It is a junction number, because it is equal to n+sod(n) for n = 25280757993 and 25280758011.
It is not an unprimeable number, because it can be changed into a prime (25280758057) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84269044 + ... + 84269343.
It is an arithmetic number, because the mean of its divisors is an integer number (2612345014).
Almost surely, 225280758050 is an apocalyptic number.
25280758050 is an abundant number, since it is smaller than the sum of its proper divisors (37415522286).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25280758050 is a wasteful number, since it uses less digits than its factorization.
25280758050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 168538402 (or 168538397 counting only the distinct ones).
The product of its (nonzero) digits is 224000, while the sum is 42.
The spelling of 25280758050 in words is "twenty-five billion, two hundred eighty million, seven hundred fifty-eight thousand, fifty".
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