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104240443020 = 223572130327211
BaseRepresentation
bin110000100010100110…
…1101110111010001100
3100222001200210011111220
41201011031232322030
53201441023134040
6115515402243340
710350114101100
oct1410515567214
9328050704456
10104240443020
114023201576a
1218251ab6550
139aa31a881c
14508c2c3900
152aa16572d0
hex184536ee8c

104240443020 has 144 divisors (see below), whose sum is σ = 339799074048. Its totient is φ = 23807226240.

The previous prime is 104240443001. The next prime is 104240443079. The reversal of 104240443020 is 20344042401.

It is a happy number.

It is a super-2 number, since 2×1042404430202 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3817215 + ... + 3844425.

It is an arithmetic number, because the mean of its divisors is an integer number (2359715792).

Almost surely, 2104240443020 is an apocalyptic number.

104240443020 is a gapful number since it is divisible by the number (10) 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 104240443020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169899537024).

104240443020 is an abundant number, since it is smaller than the sum of its proper divisors (235558631028).

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

104240443020 is a wasteful number, since it uses less digits than its factorization.

104240443020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28540 (or 28531 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 104240443020 its reverse (20344042401), we get a palindrome (124584485421).

The spelling of 104240443020 in words is "one hundred four billion, two hundred forty million, four hundred forty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 294 420 490 588 735 980 1303 1470 2606 2940 3909 5212 6515 7818 9121 13030 15636 18242 19545 26060 27211 27363 36484 39090 45605 54422 54726 63847 78180 81633 91210 108844 109452 127694 136055 136815 163266 182420 190477 191541 255388 272110 273630 319235 326532 380954 383082 408165 544220 547260 571431 638470 761908 766164 816330 952385 957705 1142862 1276940 1333339 1632660 1904770 1915410 2285724 2666678 2857155 3809540 3830820 4000017 5333356 5714310 6666695 8000034 11428620 13333390 16000068 20000085 26666780 35455933 40000170 70911866 80000340 106367799 141823732 177279665 212735598 248191531 354559330 425471196 496383062 531838995 709118660 744574593 992766124 1063677990 1240957655 1489149186 1737340717 2127355980 2481915310 2978298372 3474681434 3722872965 4963830620 5212022151 6949362868 7445745930 8686703585 10424044302 14891491860 17373407170 20848088604 26060110755 34746814340 52120221510 104240443020