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84008404880000 = 27542773790993
BaseRepresentation
bin10011000110011110111011…
…001000011000101010000000
3102000110010101011210212101222
4103012132323020120222000
542002343203122130000
6454400532312214212
723460256405331666
oct2306367310305200
9360403334725358
1084008404880000
1124849845507527
12950948499a368
1337b4c60030613
1416a6058272c36
159aa3b8718a85
hex4c67bb218a80

84008404880000 has 160 divisors (see below), whose sum is σ = 209888723999460. Its totient is φ = 33482041344000.

The previous prime is 84008404879943. The next prime is 84008404880063. The reversal of 84008404880000 is 8840480048.

It can be written as a sum of positive squares in 10 ways, for example, as 38113633293376 + 45894771586624 = 6173624^2 + 6774568^2 .

It is a tau number, because it is divible by the number of its divisors (160).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20264504 + ... + 24055496.

Almost surely, 284008404880000 is an apocalyptic number.

84008404880000 is a gapful number since it is divisible by the number (80) 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 84008404880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104944361999730).

84008404880000 is an abundant number, since it is smaller than the sum of its proper divisors (125880319119460).

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

84008404880000 is an equidigital number, since it uses as much as digits as its factorization.

84008404880000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3791304 (or 3791277 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 44.

The spelling of 84008404880000 in words is "eighty-four trillion, eight billion, four hundred four million, eight hundred eighty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 277 320 400 500 554 625 640 800 1000 1108 1250 1385 1600 2000 2216 2500 2770 3200 4000 4432 5000 5540 6925 8000 8864 10000 11080 13850 16000 17728 20000 22160 27700 34625 35456 40000 44320 55400 69250 80000 88640 110800 138500 173125 177280 221600 277000 346250 443200 554000 692500 886400 1108000 1385000 2216000 2770000 3790993 4432000 5540000 7581986 11080000 15163972 18954965 22160000 30327944 37909930 60655888 75819860 94774825 121311776 151639720 189549650 242623552 303279440 379099300 473874125 485247104 606558880 758198600 947748250 1050105061 1213117760 1516397200 1895496500 2100210122 2369370625 2426235520 3032794400 3790993000 4200420244 4738741250 5250525305 6065588800 7581986000 8400840488 9477482500 10501050610 12131177600 15163972000 16801680976 18954965000 21002101220 26252626525 30327944000 33603361952 37909930000 42004202440 52505253050 60655888000 67206723904 75819860000 84008404880 105010506100 131263132625 134413447808 151639720000 168016809760 210021012200 262526265250 303279440000 336033619520 420042024400 525052530500 656315663125 672067239040 840084048800 1050105061000 1312631326250 1680168097600 2100210122000 2625262652500 3360336195200 4200420244000 5250525305000 8400840488000 10501050610000 16801680976000 21002101220000 42004202440000 84008404880000