Base | Representation |
---|---|
bin | 1110011101100000101… |
… | …1110100111111010011 |
3 | 212202021012220111101111 |
4 | 3213120023310333103 |
5 | 13032301132141110 |
6 | 310044245514151 |
7 | 23643402064351 |
oct | 3473013647723 |
9 | 782235814344 |
10 | 248440115155 |
11 | 963a9a71721 |
12 | 40196112957 |
13 | 1a573b601cb |
14 | c04b5a07d1 |
15 | 66e0de0e8a |
hex | 39d82f4fd3 |
248440115155 has 8 divisors (see below), whose sum is σ = 298134925200. Its totient is φ = 198747567456.
The previous prime is 248440115149. The next prime is 248440115201. The reversal of 248440115155 is 551511044842.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 248440115155 - 217 = 248439984083 is a prime.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 313800 + ... + 771589.
It is an arithmetic number, because the mean of its divisors is an integer number (37266865650).
Almost surely, 2248440115155 is an apocalyptic number.
248440115155 is a deficient number, since it is larger than the sum of its proper divisors (49694810045).
248440115155 is a wasteful number, since it uses less digits than its factorization.
248440115155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1131173.
The product of its (nonzero) digits is 128000, while the sum is 40.
Adding to 248440115155 its reverse (551511044842), we get a palindrome (799951159997).
The spelling of 248440115155 in words is "two hundred forty-eight billion, four hundred forty million, one hundred fifteen thousand, one hundred fifty-five".
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