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20801375468700 = 22352677102419377
BaseRepresentation
bin1001011101011001100101…
…00110000111110010011100
32201122120222121210021222120
410232230302212013302130
510211302204104444300
6112124004151342540
74244564322065511
oct456546246076234
981576877707876
1020801375468700
11669a8a5185822
1223bb542681a50
13b7b73b2000c8
1451cb1314b308
15261158cc43a0
hex12eb32987c9c

20801375468700 has 72 divisors (see below), whose sum is σ = 60274213630512. Its totient is φ = 5538839854080.

The previous prime is 20801375468651. The next prime is 20801375468701. The reversal of 20801375468700 is 786457310802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20801375468701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51006589 + ... + 51412788.

Almost surely, 220801375468700 is an apocalyptic number.

20801375468700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20801375468700 is an abundant number, since it is smaller than the sum of its proper divisors (39472838161812).

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

20801375468700 is a wasteful number, since it uses less digits than its factorization.

20801375468700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102420071 (or 102420064 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 20801375468700 in words is "twenty trillion, eight hundred one billion, three hundred seventy-five million, four hundred sixty-eight thousand, seven hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 677 1354 2031 2708 3385 4062 6770 8124 10155 13540 16925 20310 33850 40620 50775 67700 101550 203100 102419377 204838754 307258131 409677508 512096885 614516262 1024193770 1229032524 1536290655 2048387540 2560484425 3072581310 5120968850 6145162620 7681453275 10241937700 15362906550 30725813100 69337918229 138675836458 208013754687 277351672916 346689591145 416027509374 693379182290 832055018748 1040068773435 1386758364580 1733447955725 2080137546870 3466895911450 4160275093740 5200343867175 6933791822900 10400687734350 20801375468700