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168946443814512 = 243713173476556741
BaseRepresentation
bin100110011010011111101000…
…110001010000011001110000
3211011012010022011002202120210
4212122133220301100121300
5134121004304104031022
61355152531432504120
750404656242034630
oct4632375061203160
9734163264082523
10168946443814512
114991686a121591
1216b46b5224b040
137336773135120
142da10a14b86c0
15147ea40d9ea0c
hex99a7e8c50670

168946443814512 has 320 divisors, whose sum is σ = 570400046060544. Its totient is φ = 41815425761280.

The previous prime is 168946443814471. The next prime is 168946443814513. The reversal of 168946443814512 is 215418344649861.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168946443814513) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22488462 + ... + 29045202.

Almost surely, 2168946443814512 is an apocalyptic number.

168946443814512 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 168946443814512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285200023030272).

168946443814512 is an abundant number, since it is smaller than the sum of its proper divisors (401453602246032).

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

168946443814512 is a wasteful number, since it uses less digits than its factorization.

168946443814512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6557136 (or 6557130 counting only the distinct ones).

The product of its digits is 159252480, while the sum is 66.

The spelling of 168946443814512 in words is "one hundred sixty-eight trillion, nine hundred forty-six billion, four hundred forty-three million, eight hundred fourteen thousand, five hundred twelve".