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248469030146 = 25912131735919
BaseRepresentation
bin1110011101100111101…
…0001000010100000010
3212202100020022112022002
43213121322020110002
513032331032431041
6310051201344002
723644202623541
oct3473172102402
9782306275262
10248469030146
1196414320a07
12401a3938002
131a579b4537c
14c05136a158
1566e370359b
hex39d9e88502

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".

Divisors: 1 2 59 118 1213 2426 71567 143134 1735919 3471838 102419221 204838442 2105669747 4211339494 124234515073 248469030146