Base | Representation |
---|---|
bin | 10101111001111111… |
… | …001000101001111101 |
3 | 2020201020201110021022 |
4 | 111321333020221331 |
5 | 341132441231031 |
6 | 14450001513525 |
7 | 1461611600036 |
oct | 257177105175 |
9 | 66636643238 |
10 | 23521430141 |
11 | 9a80263670 |
12 | 46853428a5 |
13 | 22ab108601 |
14 | 11d1c61a8d |
15 | 929eac97b |
hex | 579fc8a7d |
23521430141 has 16 divisors (see below), whose sum is σ = 26522574336. Its totient is φ = 20665920000.
The previous prime is 23521430131. The next prime is 23521430161. The reversal of 23521430141 is 14103412532.
It is a happy number.
It is not a de Polignac number, because 23521430141 - 26 = 23521430077 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 23521430141.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23521430111) 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, 214181 + ... + 304821.
It is an arithmetic number, because the mean of its divisors is an integer number (1657660896).
Almost surely, 223521430141 is an apocalyptic number.
It is an amenable number.
23521430141 is a deficient number, since it is larger than the sum of its proper divisors (3001144195).
23521430141 is a wasteful number, since it uses less digits than its factorization.
23521430141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91444.
The product of its (nonzero) digits is 2880, while the sum is 26.
Adding to 23521430141 its reverse (14103412532), we get a palindrome (37624842673).
The spelling of 23521430141 in words is "twenty-three billion, five hundred twenty-one million, four hundred thirty thousand, one hundred forty-one".
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