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8290216981998 = 2327312200396461
BaseRepresentation
bin111100010100011011101…
…1100000011010111101110
31002100112111110211121211100
41320220313130003113232
52041311331021410443
625344250105103530
71513643206443330
oct170506734032756
932315443747740
108290216981998
1127069523a7296
12b1a848a87ba6
134819c1987403
1420936a3c1450
15e59aa8273d3
hex78a377035ee

8290216981998 has 96 divisors (see below), whose sum is σ = 21191537682432. Its totient is φ = 2292097953600.

The previous prime is 8290216981993. The next prime is 8290216982011. The reversal of 8290216981998 is 8991896120928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8290216981993) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85895488 + ... + 85991948.

It is an arithmetic number, because the mean of its divisors is an integer number (220745184192).

Almost surely, 28290216981998 is an apocalyptic number.

8290216981998 is an abundant number, since it is smaller than the sum of its proper divisors (12901320700434).

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

8290216981998 is a wasteful number, since it uses less digits than its factorization.

8290216981998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118510 (or 118507 counting only the distinct ones).

The product of its (nonzero) digits is 80621568, while the sum is 72.

The spelling of 8290216981998 in words is "eight trillion, two hundred ninety billion, two hundred sixteen million, nine hundred eighty-one thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 7 9 14 18 21 31 42 62 63 93 126 186 217 279 434 558 651 1302 1953 3906 22003 44006 66009 96461 132018 154021 192922 198027 289383 308042 396054 462063 578766 675227 682093 868149 924126 1350454 1364186 1386189 1736298 2025681 2046279 2772378 2990291 4051362 4092558 4774651 5980582 6077043 6138837 8970873 9549302 12154086 12277674 14323953 17941746 20932037 26912619 28647906 41864074 42971859 53825238 62796111 85943718 125592222 188388333 376776666 2122431383 4244862766 6367294149 12734588298 14857019681 19101882447 29714039362 38203764894 44571059043 65795372873 89142118086 131590745746 133713177129 197386118619 267426354258 394772237238 460567610111 592158355857 921135220222 1184316711714 1381702830333 2763405660666 4145108490999 8290216981998