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72412053525500 = 2253132856947379
BaseRepresentation
bin10000011101101110111110…
…101110100101001111111100
3100111101112011111212112021212
4100131232332232211033330
533442344341200304000
6414001345501343552
721152412122225633
oct2035567656451774
9314345144775255
1072412053525500
1121088863489427
128155b36267bb8
133153572b61c00
1413c4a9526a51a
1585890c6b1c35
hex41dbbeba53fc

72412053525500 has 72 divisors (see below), whose sum is σ = 171248936629680. Its totient is φ = 26736758193600.

The previous prime is 72412053525437. The next prime is 72412053525503. The reversal of 72412053525500 is 552535021427.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72412053525503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 428389190 + ... + 428558189.

It is an arithmetic number, because the mean of its divisors is an integer number (2378457453190).

Almost surely, 272412053525500 is an apocalyptic number.

It is an amenable number.

72412053525500 is an abundant number, since it is smaller than the sum of its proper divisors (98836883104180).

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

72412053525500 is a wasteful number, since it uses less digits than its factorization.

72412053525500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856947424 (or 856947399 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 41.

Adding to 72412053525500 its reverse (552535021427), we get a palindrome (72964588546927).

The spelling of 72412053525500 in words is "seventy-two trillion, four hundred twelve billion, fifty-three million, five hundred twenty-five thousand, five hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 125 130 169 250 260 325 338 500 650 676 845 1300 1625 1690 3250 3380 4225 6500 8450 16900 21125 42250 84500 856947379 1713894758 3427789516 4284736895 8569473790 11140315927 17138947580 21423684475 22280631854 42847368950 44561263708 55701579635 85694737900 107118422375 111403159270 144824107051 214236844750 222806318540 278507898175 289648214102 428473689500 557015796350 579296428204 724120535255 1114031592700 1392539490875 1448241070510 2785078981750 2896482141020 3620602676275 5570157963500 7241205352550 14482410705100 18103013381375 36206026762750 72412053525500