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6468805442 = 211226730601
BaseRepresentation
bin1100000011001001…
…00010001101000010
3121200211012100211202
412001210202031002
5101222003233232
62545520541202
7316205640041
oct60144421502
917624170752
106468805442
11281a521300
121306481802
137c124b238
144551a4558
1527cd8d162
hex181922342

6468805442 has 12 divisors (see below), whose sum is σ = 10665510198. Its totient is φ = 2940366000.

The previous prime is 6468805403. The next prime is 6468805471. The reversal of 6468805442 is 2445088646.

It can be written as a sum of positive squares in only one way, i.e., 5004289081 + 1464516361 = 70741^2 + 38269^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13365059 + ... + 13365542.

Almost surely, 26468805442 is an apocalyptic number.

6468805442 is a deficient number, since it is larger than the sum of its proper divisors (4196704756).

6468805442 is a wasteful number, since it uses less digits than its factorization.

6468805442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26730625 (or 26730614 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 47.

The square root of 6468805442 is about 80428.8843761991. The cubic root of 6468805442 is about 1863.2653015897.

It can be divided in two parts, 646 and 8805442, that added together give a palindrome (8806088).

The spelling of 6468805442 in words is "six billion, four hundred sixty-eight million, eight hundred five thousand, four hundred forty-two".

Divisors: 1 2 11 22 121 242 26730601 53461202 294036611 588073222 3234402721 6468805442