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768486282684868 = 221117465597333747
BaseRepresentation
bin1010111010111011110010011…
…1111001001110100111000100
310201202222120102100122112020101
42232232330213321032213010
51301211334401331403433
611322233420255213444
7320604205325253466
oct25656744771164704
93652876370575211
10768486282684868
112029552251a7a80
1272235959217284
1326ca5c3a37b847
14d7aad1254a136
155dca159be407d
hex2baef27e4e9c4

768486282684868 has 12 divisors (see below), whose sum is σ = 1467110176034832. Its totient is φ = 349311946674920.

The previous prime is 768486282684811. The next prime is 768486282684871. The reversal of 768486282684868 is 868486282684867.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8732798666830 + ... + 8732798666917.

It is an arithmetic number, because the mean of its divisors is an integer number (122259181336236).

Almost surely, 2768486282684868 is an apocalyptic number.

It is an amenable number.

768486282684868 is a deficient number, since it is larger than the sum of its proper divisors (698623893349964).

768486282684868 is a wasteful number, since it uses less digits than its factorization.

768486282684868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17465597333762 (or 17465597333760 counting only the distinct ones).

The product of its digits is 152202903552, while the sum is 91.

Subtracting 768486282684868 from its reverse (868486282684867), we obtain a palindrome (99999999999999).

The spelling of 768486282684868 in words is "seven hundred sixty-eight trillion, four hundred eighty-six billion, two hundred eighty-two million, six hundred eighty-four thousand, eight hundred sixty-eight".

Divisors: 1 2 4 11 22 44 17465597333747 34931194667494 69862389334988 192121570671217 384243141342434 768486282684868