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245741151320320 = 2852297321725981
BaseRepresentation
bin110111111000000000010010…
…000001111111100100000000
31012020002121212100122021002211
4313320000102001333210000
5224202210334214222240
62230351532035151504
7102522132546411025
oct6770002201774400
91166077770567084
10245741151320320
1171334267509607
122368a346445594
13a7173a28190c6
144497d1421554c
151d6245818dbea
hexdf801207f900

245741151320320 has 144 divisors (see below), whose sum is σ = 589088836950768. Its totient is φ = 98219344527360.

The previous prime is 245741151320317. The next prime is 245741151320377. The reversal of 245741151320320 is 23023151147542.

It can be written as a sum of positive squares in 8 ways, for example, as 6663254243584 + 239077897076736 = 2581328^2 + 15462144^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9458481730 + ... + 9458507710.

It is an arithmetic number, because the mean of its divisors is an integer number (4090894701047).

Almost surely, 2245741151320320 is an apocalyptic number.

245741151320320 is a gapful number since it is divisible by the number (20) 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 245741151320320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294544418475384).

245741151320320 is an abundant number, since it is smaller than the sum of its proper divisors (343347685630448).

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

245741151320320 is a wasteful number, since it uses less digits than its factorization.

245741151320320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31516 (or 31502 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 245741151320320 in words is "two hundred forty-five trillion, seven hundred forty-one billion, one hundred fifty-one million, three hundred twenty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 2297 3217 4594 6434 9188 11485 12868 16085 18376 22970 25736 25981 32170 36752 45940 51472 51962 64340 73504 91880 102944 103924 128680 129905 147008 183760 205888 207848 257360 259810 294016 367520 411776 415696 514720 519620 588032 735040 823552 831392 1029440 1039240 1470080 1662784 2058880 2078480 2940160 3325568 4117760 4156960 6651136 7389449 8313920 14778898 16627840 29557796 33255680 36947245 59115592 59678357 73894490 83580877 118231184 119356714 147788980 167161754 236462368 238713428 295577960 298391785 334323508 417904385 472924736 477426856 591155920 596783570 668647016 835808770 945849472 954853712 1182311840 1193567140 1337294032 1671617540 1891698944 1909707424 2364623680 2387134280 2674588064 3343235080 3819414848 4729247360 4774268560 5349176128 6686470160 7638829696 9458494720 9548537120 10698352256 13372940320 15277659392 19097074240 21396704512 26745880640 38194148480 53491761280 76388296960 106983522560 191985274469 383970548938 767941097876 959926372345 1535882195752 1919852744690 3071764391504 3839705489380 6143528783008 7679410978760 12287057566016 15358821957520 24574115132032 30717643915040 49148230264064 61435287830080 122870575660160 245741151320320