Base | Representation |
---|---|
bin | 111001110110011100100001… |
… | …110101100001000111000001 |
3 | 1020100212021122120222112011212 |
4 | 321312130201311201013001 |
5 | 231322040404120400441 |
6 | 2301043331321415505 |
7 | 104406653640011600 |
oct | 7166344165410701 |
9 | 1210767576875155 |
10 | 254430135325121 |
11 | 7408423a458178 |
12 | 2465232163a595 |
13 | abc7874542232 |
14 | 46b86acb23a37 |
15 | 1e634a200ceeb |
hex | e76721d611c1 |
254430135325121 has 12 divisors (see below), whose sum is σ = 296062500847680. Its totient is φ = 218014629857640.
The previous prime is 254430135325103. The next prime is 254430135325147. The reversal of 254430135325121 is 121523531034452.
It is not a de Polignac number, because 254430135325121 - 26 = 254430135325057 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (254430135375121) 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, 813452501 + ... + 813765218.
It is an arithmetic number, because the mean of its divisors is an integer number (24671875070640).
Almost surely, 2254430135325121 is an apocalyptic number.
It is an amenable number.
254430135325121 is a deficient number, since it is larger than the sum of its proper divisors (41632365522559).
254430135325121 is a wasteful number, since it uses less digits than its factorization.
254430135325121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1627220924 (or 1627220917 counting only the distinct ones).
The product of its (nonzero) digits is 432000, while the sum is 41.
Adding to 254430135325121 its reverse (121523531034452), we get a palindrome (375953666359573).
The spelling of 254430135325121 in words is "two hundred fifty-four trillion, four hundred thirty billion, one hundred thirty-five million, three hundred twenty-five thousand, one hundred twenty-one".
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