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12066538084657 = 717101399479703
BaseRepresentation
bin1010111110010111010110…
…1101110101100100110001
31120201112211210020000121021
42233211311231311210301
53040144232222202112
641355142512055441
72353531030262350
oct257456555654461
946645753200537
1012066538084657
1139324321a1711
12142a6ab234581
13696b3c843704
142da04890b997
1515dd29648907
hexaf975b75931

12066538084657 has 8 divisors (see below), whose sum is σ = 14601525077376. Its totient is φ = 9734350051392.

The previous prime is 12066538084639. The next prime is 12066538084703. The reversal of 12066538084657 is 75648083566021.

It is a happy number.

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 12066538084657 - 223 = 12066529696049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12066538084595 and 12066538084604.

It is not an unprimeable number, because it can be changed into a prime (12066538084157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50699739733 + ... + 50699739970.

It is an arithmetic number, because the mean of its divisors is an integer number (1825190634672).

Almost surely, 212066538084657 is an apocalyptic number.

12066538084657 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12066538084657 is a deficient number, since it is larger than the sum of its proper divisors (2534986992719).

12066538084657 is a wasteful number, since it uses less digits than its factorization.

12066538084657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101399479727.

The product of its (nonzero) digits is 58060800, while the sum is 61.

The spelling of 12066538084657 in words is "twelve trillion, sixty-six billion, five hundred thirty-eight million, eighty-four thousand, six hundred fifty-seven".

Divisors: 1 7 17 119 101399479703 709796357921 1723791154951 12066538084657