Base | Representation |
---|---|
bin | 10111101111100010… |
… | …100011101010100100 |
3 | 2102210200210121102101 |
4 | 113233202203222210 |
5 | 404202333300314 |
6 | 15413413221444 |
7 | 1561520310310 |
oct | 275742435244 |
9 | 72720717371 |
10 | 25493650084 |
11 | a8a2556701 |
12 | 4b35931884 |
13 | 25338a7266 |
14 | 133bb68b40 |
15 | 9e31d4174 |
hex | 5ef8a3aa4 |
25493650084 has 24 divisors (see below), whose sum is σ = 51463823040. Its totient is φ = 10823738016.
The previous prime is 25493650073. The next prime is 25493650139. The reversal of 25493650084 is 48005639452.
It is an unprimeable number.
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, 4251619 + ... + 4257610.
It is an arithmetic number, because the mean of its divisors is an integer number (2144325960).
Almost surely, 225493650084 is an apocalyptic number.
It is an amenable number.
25493650084 is an abundant number, since it is smaller than the sum of its proper divisors (25970172956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25493650084 is a wasteful number, since it uses less digits than its factorization.
25493650084 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8509347 (or 8509345 counting only the distinct ones).
The product of its (nonzero) digits is 1036800, while the sum is 46.
The spelling of 25493650084 in words is "twenty-five billion, four hundred ninety-three million, six hundred fifty thousand, eighty-four".
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