Base | Representation |
---|---|
bin | 1110110011010110010… |
… | …1100010111000100010 |
3 | 220022101202021102220000 |
4 | 3230311211202320202 |
5 | 13131302314330442 |
6 | 312454052400430 |
7 | 24241562141202 |
oct | 3546545427042 |
9 | 808352242800 |
10 | 254302105122 |
11 | 989379aa52a |
12 | 41351316116 |
13 | 1ac99467620 |
14 | c445d26402 |
15 | 6935866d4c |
hex | 3b35962e22 |
254302105122 has 80 divisors (see below), whose sum is σ = 613877527032. Its totient is φ = 78218784000.
The previous prime is 254302105121. The next prime is 254302105133. The reversal of 254302105122 is 221501203452.
254302105122 is a `hidden beast` number, since 2 + 5 + 430 + 2 + 105 + 122 = 666.
254302105122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 209451760281 + 44850344841 = 457659^2 + 211779^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (254302105121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6299988 + ... + 6340224.
Almost surely, 2254302105122 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 254302105122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306938763516).
254302105122 is an abundant number, since it is smaller than the sum of its proper divisors (359575421910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
254302105122 is a wasteful number, since it uses less digits than its factorization.
254302105122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43265 (or 43256 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
Adding to 254302105122 its reverse (221501203452), we get a palindrome (475803308574).
The spelling of 254302105122 in words is "two hundred fifty-four billion, three hundred two million, one hundred five thousand, one hundred twenty-two".
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