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8423105663624 = 231052888207953
BaseRepresentation
bin111101010010010100000…
…1110001001001010001000
31002211020111201100002200112
41322210220032021022020
52101001010022213444
625525304334453452
71526356260551111
oct172445016111210
932736451302615
108423105663624
112758245614703
12b40555064288
134913ac168cc2
14211975397208
15e918709169e
hex7a928389288

8423105663624 has 8 divisors (see below), whose sum is σ = 15793323119310. Its totient is φ = 4211552831808.

The previous prime is 8423105663617. The next prime is 8423105663629. The reversal of 8423105663624 is 4263665013248.

It can be written as a sum of positive squares in only one way, i.e., 8373603863524 + 49501800100 = 2893718^2 + 222490^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (8423105663629) 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, 526444103969 + ... + 526444103984.

Almost surely, 28423105663624 is an apocalyptic number.

It is an amenable number.

8423105663624 is a deficient number, since it is larger than the sum of its proper divisors (7370217455686).

8423105663624 is a wasteful number, since it uses less digits than its factorization.

8423105663624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052888207959 (or 1052888207955 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 50.

The spelling of 8423105663624 in words is "eight trillion, four hundred twenty-three billion, one hundred five million, six hundred sixty-three thousand, six hundred twenty-four".

Divisors: 1 2 4 8 1052888207953 2105776415906 4211552831812 8423105663624