Base | Representation |
---|---|
bin | 10101111010000110… |
… | …110011110111011111 |
3 | 2020201101111200012220 |
4 | 111322012303313133 |
5 | 341134000122033 |
6 | 14450113000423 |
7 | 1461634646655 |
oct | 257206636737 |
9 | 66641450186 |
10 | 23523442143 |
11 | 9a81408283 |
12 | 4685b53113 |
13 | 22ab661346 |
14 | 11d2226dd5 |
15 | 92a258bb3 |
hex | 57a1b3ddf |
23523442143 has 32 divisors (see below), whose sum is σ = 32768934912. Its totient is φ = 14997840000.
The previous prime is 23523442141. The next prime is 23523442231. The reversal of 23523442143 is 34124432532.
It is not a de Polignac number, because 23523442143 - 21 = 23523442141 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23523442141) 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 31 ways as a sum of consecutive naturals, for example, 1869453 + ... + 1881993.
It is an arithmetic number, because the mean of its divisors is an integer number (1024029216).
Almost surely, 223523442143 is an apocalyptic number.
23523442143 is a deficient number, since it is larger than the sum of its proper divisors (9245492769).
23523442143 is a wasteful number, since it uses less digits than its factorization.
23523442143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12895.
The product of its digits is 69120, while the sum is 33.
Adding to 23523442143 its reverse (34124432532), we get a palindrome (57647874675).
The spelling of 23523442143 in words is "twenty-three billion, five hundred twenty-three million, four hundred forty-two thousand, one hundred forty-three".
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