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168678060012 = 2233721129163613
BaseRepresentation
bin1001110100010111111…
…1101110111111101100
3121010101110112021101000
42131011333232333230
510230423040410022
6205253432120300
715120666565500
oct2350577567754
9533343467330
10168678060012
1165599405090
1228835b36090
1312ba2109987
148242284300
1545c37746ac
hex2745feefec

168678060012 has 576 divisors, whose sum is σ = 578558937600. Its totient is φ = 41973603840.

The previous prime is 168678060011. The next prime is 168678060029. The reversal of 168678060012 is 210060876861.

It is a happy number.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 168678060012.

It is not an unprimeable number, because it can be changed into a prime (168678060011) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 275167818 + ... + 275168430.

It is an arithmetic number, because the mean of its divisors is an integer number (1004442600).

Almost surely, 2168678060012 is an apocalyptic number.

168678060012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168678060012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289279468800).

168678060012 is an abundant number, since it is smaller than the sum of its proper divisors (409880877588).

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

168678060012 is a wasteful number, since it uses less digits than its factorization.

168678060012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 168678060012 in words is "one hundred sixty-eight billion, six hundred seventy-eight million, sixty thousand, twelve".