Base | Representation |
---|---|
bin | 1110011101100111101… |
… | …0001000010100000010 |
3 | 212202100020022112022002 |
4 | 3213121322020110002 |
5 | 13032331032431041 |
6 | 310051201344002 |
7 | 23644202623541 |
oct | 3473172102402 |
9 | 782306275262 |
10 | 248469030146 |
11 | 96414320a07 |
12 | 401a3938002 |
13 | 1a579b4537c |
14 | c05136a158 |
15 | 66e370359b |
hex | 39d9e88502 |
248469030146 has 16 divisors (see below), whose sum is σ = 379333238400. Its totient is φ = 122028091728.
The previous prime is 248469030137. The next prime is 248469030149. The reversal of 248469030146 is 641030964842.
It is a self number, because there is not a number n which added to its sum of digits gives 248469030146.
It is not an unprimeable number, because it can be changed into a prime (248469030149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724826 + ... + 1011093.
It is an arithmetic number, because the mean of its divisors is an integer number (23708327400).
Almost surely, 2248469030146 is an apocalyptic number.
248469030146 is a deficient number, since it is larger than the sum of its proper divisors (130864208254).
248469030146 is a wasteful number, since it uses less digits than its factorization.
248469030146 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1737193.
The product of its (nonzero) digits is 995328, while the sum is 47.
Adding to 248469030146 its reverse (641030964842), we get a palindrome (889499994988).
The spelling of 248469030146 in words is "two hundred forty-eight billion, four hundred sixty-nine million, thirty thousand, one hundred forty-six".
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