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168141651608144 = 2431338995265339
BaseRepresentation
bin100110001110110010000111…
…011010101000001001010000
3211001100011222210120201022102
4212032302013122220021100
5134014313100302430034
61353335113002455532
750262555605122514
oct4616620732501120
9731304883521272
10168141651608144
1149636523986265
1216a36b8ab045a8
1372a88c73b26a6
142d74156902144
151468b3beee97e
hex98ec876a8250

168141651608144 has 20 divisors (see below), whose sum is σ = 336283303217280. Its totient is φ = 81358863681120.

The previous prime is 168141651608137. The next prime is 168141651608207. The reversal of 168141651608144 is 441806156141861.

168141651608144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

168141651608144 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 168141651608144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169497632174 + ... + 169497633165.

It is an arithmetic number, because the mean of its divisors is an integer number (16814165160864).

Almost surely, 2168141651608144 is an apocalyptic number.

It is an amenable number.

168141651608144 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

168141651608144 is a wasteful number, since it uses less digits than its factorization.

168141651608144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338995265378 (or 338995265372 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 56.

The spelling of 168141651608144 in words is "one hundred sixty-eight trillion, one hundred forty-one billion, six hundred fifty-one million, six hundred eight thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 31 62 124 248 496 338995265339 677990530678 1355981061356 2711962122712 5423924245424 10508853225509 21017706451018 42035412902036 84070825804072 168141651608144