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168085204123 = 1279663719801
BaseRepresentation
bin1001110010001010101…
…0001010110010011011
3121001212010222001222111
42130202222022302123
510223214303012443
6205114533133151
715100210442614
oct2344252126233
9531763861874
10168085204123
1165314796741
12286ab48a1b7
1312b09342a85
1481c763ac0b
15458b6b869d
hex2722a8ac9b

168085204123 has 8 divisors (see below), whose sum is σ = 168250465280. Its totient is φ = 167919998400.

The previous prime is 168085204117. The next prime is 168085204127. The reversal of 168085204123 is 321402580861.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-168085204123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168085204127) 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, 8478823 + ... + 8498623.

It is an arithmetic number, because the mean of its divisors is an integer number (21031308160).

Almost surely, 2168085204123 is an apocalyptic number.

168085204123 is a deficient number, since it is larger than the sum of its proper divisors (165261157).

168085204123 is a wasteful number, since it uses less digits than its factorization.

168085204123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27717.

The product of its (nonzero) digits is 92160, while the sum is 40.

Adding to 168085204123 its reverse (321402580861), we get a palindrome (489487784984).

The spelling of 168085204123 in words is "one hundred sixty-eight billion, eighty-five million, two hundred four thousand, one hundred twenty-three".

Divisors: 1 1279 6637 19801 8488723 25325479 131419237 168085204123