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80337908819440 = 24517677169351539
BaseRepresentation
bin10010010001000100100000…
…100001000110010111110000
3101112110020011222220121102201
4102101010200201012113300
541012224014124210230
6442510420435152544
722631136162521326
oct2221044041062760
9345406158817381
1080337908819440
112366413013a588
129016037145754
1335a9aa872291c
1415ba538671d16
15944b9020a5ca
hex4911208465f0

80337908819440 has 160 divisors (see below), whose sum is σ = 198185995909440. Its totient is φ = 30181761073152.

The previous prime is 80337908819437. The next prime is 80337908819447. The reversal of 80337908819440 is 4491880973308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80337908819447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1558753191 + ... + 1558804729.

It is an arithmetic number, because the mean of its divisors is an integer number (1238662474434).

Almost surely, 280337908819440 is an apocalyptic number.

80337908819440 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 80337908819440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99092997954720).

80337908819440 is an abundant number, since it is smaller than the sum of its proper divisors (117848087090000).

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

80337908819440 is a wasteful number, since it uses less digits than its factorization.

80337908819440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53939 (or 53933 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 64.

The spelling of 80337908819440 in words is "eighty trillion, three hundred thirty-seven billion, nine hundred eight million, eight hundred nineteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 677 680 1354 1360 1693 2708 3385 3386 5416 6770 6772 8465 10832 11509 13540 13544 16930 23018 27080 27088 28781 33860 46036 51539 54160 57545 57562 67720 92072 103078 115090 115124 135440 143905 184144 206156 230180 230248 257695 287810 412312 460360 460496 515390 575620 824624 876163 920720 1030780 1146161 1151240 1752326 2061560 2292322 2302480 3504652 4123120 4380815 4584644 5730805 7009304 8761630 9169288 11461610 14018608 17523260 18338576 19484737 22923220 34891903 35046520 38969474 45846440 69783806 70093040 77938948 87255527 91692880 97423685 139567612 155877896 174459515 174511054 194847370 279135224 311755792 348919030 349022108 389694740 436277635 558270448 593162351 697838060 698044216 779389480 872555270 1186324702 1395676120 1396088432 1483343959 1558778960 1745110540 2372649404 2791352240 2965811755 2966687918 3490221080 4745298808 5931623510 5933375836 6980442160 7416719795 9490597616 11863247020 11866751672 14833439590 23726494040 23733503344 29666879180 47452988080 59071991779 59333758360 118143983558 118667516720 236287967116 295359958895 472575934232 590719917790 945151868464 1004223860243 1181439835580 2008447720486 2362879671160 4016895440972 4725759342320 5021119301215 8033790881944 10042238602430 16067581763888 20084477204860 40168954409720 80337908819440