Base | Representation |
---|---|
bin | 10111011001111111… |
… | …110110011001100011 |
3 | 2101212111201120121100 |
4 | 113121333312121203 |
5 | 402432322331433 |
6 | 15313502525443 |
7 | 1546541301201 |
oct | 273177663143 |
9 | 71774646540 |
10 | 25132230243 |
11 | a72754161a |
12 | 4a54896883 |
13 | 24a6a53173 |
14 | 1305b68071 |
15 | 9c15e1b13 |
hex | 5d9ff6663 |
25132230243 has 12 divisors (see below), whose sum is σ = 36320351080. Its totient is φ = 16746401376.
The previous prime is 25132230239. The next prime is 25132230329. The reversal of 25132230243 is 34203223152.
It is not a de Polignac number, because 25132230243 - 22 = 25132230239 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (25132230743) 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 11 ways as a sum of consecutive naturals, for example, 682633 + ... + 718506.
Almost surely, 225132230243 is an apocalyptic number.
25132230243 is a deficient number, since it is larger than the sum of its proper divisors (11188120837).
25132230243 is a wasteful number, since it uses less digits than its factorization.
25132230243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1403138 (or 1403135 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 27.
Adding to 25132230243 its reverse (34203223152), we get a palindrome (59335453395).
The spelling of 25132230243 in words is "twenty-five billion, one hundred thirty-two million, two hundred thirty thousand, two hundred forty-three".
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