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8168245396 = 222042061349
BaseRepresentation
bin1111001101101110…
…11000100010010100
3210002020222212012021
413212313120202110
5113212032323041
63430305502524
7406262640343
oct74667304224
923066885167
108168245396
113511841733
1216bb641a44
13a0235c8cc
14576b81b5a
1532c180cd1
hex1e6dd8894

8168245396 has 6 divisors (see below), whose sum is σ = 14294429450. Its totient is φ = 4084122696.

The previous prime is 8168245367. The next prime is 8168245399. The reversal of 8168245396 is 6935428618.

It can be written as a sum of positive squares in only one way, i.e., 7141940100 + 1026305296 = 84510^2 + 32036^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8168245399) 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 as a sum of consecutive naturals, namely, 1021030671 + ... + 1021030678.

Almost surely, 28168245396 is an apocalyptic number.

It is an amenable number.

8168245396 is a deficient number, since it is larger than the sum of its proper divisors (6126184054).

8168245396 is a wasteful number, since it uses less digits than its factorization.

8168245396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042061353 (or 2042061351 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The square root of 8168245396 is about 90378.3458357144. The cubic root of 8168245396 is about 2013.9232956570.

The spelling of 8168245396 in words is "eight billion, one hundred sixty-eight million, two hundred forty-five thousand, three hundred ninety-six".

Divisors: 1 2 4 2042061349 4084122698 8168245396