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168466123012 = 221123473541883
BaseRepresentation
bin1001110011100101011…
…1010000100100000100
3121002211200201202110111
42130321113100210010
510230004311414022
6205220421402404
715112514263405
oct2347127204404
9532750652414
10168466123012
116549a809740
1228796b69404
1312b6a233275
1482220759ac
1545aed5d477
hex27395d0904

168466123012 has 48 divisors (see below), whose sum is σ = 342741030912. Its totient is φ = 71687691680.

The previous prime is 168466122973. The next prime is 168466123013. The reversal of 168466123012 is 210321664861.

It is a happy number.

It is a super-3 number, since 3×1684661230123 (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (168466123013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1723378 + ... + 1818505.

It is an arithmetic number, because the mean of its divisors is an integer number (7140438144).

Almost surely, 2168466123012 is an apocalyptic number.

It is an amenable number.

168466123012 is an abundant number, since it is smaller than the sum of its proper divisors (174274907900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168466123012 is a wasteful number, since it uses less digits than its factorization.

168466123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3541968 (or 3541966 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

Adding to 168466123012 its reverse (210321664861), we get a palindrome (378787787873).

The spelling of 168466123012 in words is "one hundred sixty-eight billion, four hundred sixty-six million, one hundred twenty-three thousand, twelve".

Divisors: 1 2 4 11 22 23 44 46 47 92 94 188 253 506 517 1012 1034 1081 2068 2162 4324 11891 23782 47564 3541883 7083766 14167532 38960713 77921426 81463309 155842852 162926618 166468501 325853236 332937002 665874004 896096399 1792192798 1831153511 3584385596 3662307022 3828775523 7324614044 7657551046 15315102092 42116530753 84233061506 168466123012