Base | Representation |
---|---|
bin | 10111011011010110… |
… | …110111011101100000 |
3 | 2101221002122111020122 |
4 | 113123112313131200 |
5 | 403004142303440 |
6 | 15320035455412 |
7 | 1550236215206 |
oct | 273326673540 |
9 | 71832574218 |
10 | 25155041120 |
11 | a739401790 |
12 | 4a60457568 |
13 | 24ab6abb21 |
14 | 1308bc5076 |
15 | 9c35ea7b5 |
hex | 5db5b7760 |
25155041120 has 96 divisors (see below), whose sum is σ = 67650266880. Its totient is φ = 8749565440.
The previous prime is 25155041081. The next prime is 25155041123. The reversal of 25155041120 is 2114055152.
It is a self number, because there is not a number n which added to its sum of digits gives 25155041120.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25155041123) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270230 + ... + 351189.
It is an arithmetic number, because the mean of its divisors is an integer number (704690280).
Almost surely, 225155041120 is an apocalyptic number.
25155041120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
25155041120 is an abundant number, since it is smaller than the sum of its proper divisors (42495225760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25155041120 is a wasteful number, since it uses less digits than its factorization.
25155041120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 621468 (or 621460 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 26.
Adding to 25155041120 its reverse (2114055152), we get a palindrome (27269096272).
The spelling of 25155041120 in words is "twenty-five billion, one hundred fifty-five million, forty-one thousand, one hundred twenty".
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