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14671940668 = 22711220812
BaseRepresentation
bin11011010101000010…
…00000110000111100
31101212111211210212221
431222201000300330
5220022004100133
610423514335124
71026404303140
oct155241006074
941774753787
1014671940668
116249a23200
122a1572a4a4
1314ca8a56c8
149d2829220
155ad111a2d
hex36a840c3c

14671940668 has 54 divisors (see below), whose sum is σ = 32269525064. Its totient is φ = 5713593600.

The previous prime is 14671940659. The next prime is 14671940683. The reversal of 14671940668 is 86604917641.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7049388 + ... + 7051468.

Almost surely, 214671940668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14671940668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16134762532).

14671940668 is an abundant number, since it is smaller than the sum of its proper divisors (17597584396).

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

14671940668 is an equidigital number, since it uses as much as digits as its factorization.

14671940668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4195 (or 2101 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 14671940668 in words is "fourteen billion, six hundred seventy-one million, nine hundred forty thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 11 14 22 28 44 77 121 154 242 308 484 847 1694 2081 3388 4162 8324 14567 22891 29134 45782 58268 91564 160237 251801 320474 503602 640948 1007204 1762607 3525214 4330561 7050428 8661122 17322244 30313927 47636171 60627854 95272342 121255708 190544684 333453197 523997881 666906394 1047995762 1333812788 2095991524 3667985167 7335970334 14671940668