Base | Representation |
---|---|
bin | 1011010111101011111101… |
… | …10000010011000010110000 |
3 | 10021112021110012112002121101 |
4 | 11223311332300103002300 |
5 | 11234122403043021034 |
6 | 125102140243334144 |
7 | 5160262620511540 |
oct | 553657660230260 |
9 | 107467405462541 |
10 | 25003131220144 |
11 | 7a6a84a81a640 |
12 | 2979936081354 |
13 | 10c4a28cb448c |
14 | 62622d807320 |
15 | 2d55c741b514 |
hex | 16bd7ec130b0 |
25003131220144 has 80 divisors (see below), whose sum is σ = 61870276048896. Its totient is φ = 9503882611200.
The previous prime is 25003131220141. The next prime is 25003131220153. The reversal of 25003131220144 is 44102213130052.
25003131220144 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is not an unprimeable number, because it can be changed into a prime (25003131220141) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 247446432 + ... + 247547455.
Almost surely, 225003131220144 is an apocalyptic number.
It is an amenable number.
25003131220144 is an abundant number, since it is smaller than the sum of its proper divisors (36867144828752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25003131220144 is a wasteful number, since it uses less digits than its factorization.
25003131220144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 494993954 (or 494993948 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 28.
Adding to 25003131220144 its reverse (44102213130052), we get a palindrome (69105344350196).
The spelling of 25003131220144 in words is "twenty-five trillion, three billion, one hundred thirty-one million, two hundred twenty thousand, one hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •