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8668135348669 = 119331907227719
BaseRepresentation
bin111111000100011010100…
…1000001101100110111101
31010200122222020220210110201
41332020311020031212331
52114004320122124134
630234030355203501
71553152321530526
oct176106510154675
933618866823421
108668135348669
112842154476745
12b7bb38ba6591
134ab52b590b14
1421d77ba3384d
15100728869914
hex7e23520d9bd

8668135348669 has 8 divisors (see below), whose sum is σ = 8675711173440. Its totient is φ = 8660560045536.

The previous prime is 8668135348667. The next prime is 8668135348721. The reversal of 8668135348669 is 9668435318668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8668135348669 - 21 = 8668135348667 is a prime.

It is a super-2 number, since 2×86681353486692 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8668135348661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37951192 + ... + 38178910.

It is an arithmetic number, because the mean of its divisors is an integer number (1084463896680).

Almost surely, 28668135348669 is an apocalyptic number.

It is an amenable number.

8668135348669 is a deficient number, since it is larger than the sum of its proper divisors (7575824771).

8668135348669 is a wasteful number, since it uses less digits than its factorization.

8668135348669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260819.

The product of its digits is 1074954240, while the sum is 73.

The spelling of 8668135348669 in words is "eight trillion, six hundred sixty-eight billion, one hundred thirty-five million, three hundred forty-eight thousand, six hundred sixty-nine".

Divisors: 1 1193 31907 227719 38065051 271668767 7265830133 8668135348669