Base | Representation |
---|---|
bin | 10101111010000101… |
… | …111110111101100101 |
3 | 2020201101002122222001 |
4 | 111322011332331211 |
5 | 341133421203240 |
6 | 14450104205301 |
7 | 1461633055126 |
oct | 257205767545 |
9 | 66641078861 |
10 | 23523225445 |
11 | 9a8127a495 |
12 | 4685a69831 |
13 | 22ab5b6815 |
14 | 11d21ac04d |
15 | 92a21489a |
hex | 57a17ef65 |
23523225445 has 16 divisors (see below), whose sum is σ = 29601275760. Its totient is φ = 17920756224.
The previous prime is 23523225433. The next prime is 23523225449. The reversal of 23523225445 is 54452232532.
It can be written as a sum of positive squares in 8 ways, for example, as 605504449 + 22917720996 = 24607^2 + 151386^2 .
It is a cyclic number.
It is not a de Polignac number, because 23523225445 - 217 = 23523094373 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23523225449) 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, 1100574 + ... + 1121743.
It is an arithmetic number, because the mean of its divisors is an integer number (1850079735).
Almost surely, 223523225445 is an apocalyptic number.
It is an amenable number.
23523225445 is a deficient number, since it is larger than the sum of its proper divisors (6078050315).
23523225445 is a wasteful number, since it uses less digits than its factorization.
23523225445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2222424.
The product of its digits is 288000, while the sum is 37.
Adding to 23523225445 its reverse (54452232532), we get a palindrome (77975457977).
The spelling of 23523225445 in words is "twenty-three billion, five hundred twenty-three million, two hundred twenty-five thousand, four hundred forty-five".
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