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320052141200 = 245211127572749
BaseRepresentation
bin1001010100001001001…
…10000001110010010000
31010121002222120100021102
410222010212001302100
520220431322004300
6403010244043532
732060122212401
oct4520446016220
91117088510242
10320052141200
111138080a9820
12520409935a8
132424726140c
14116c231b9a8
1584d2cc90d5
hex4a84981c90

320052141200 has 120 divisors (see below), whose sum is σ = 845433984000. Its totient is φ = 115465996800.

The previous prime is 320052141187. The next prime is 320052141209. The reversal of 320052141200 is 2141250023.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (320052141209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 272426 + ... + 845174.

It is an arithmetic number, because the mean of its divisors is an integer number (7045283200).

Almost surely, 2320052141200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320052141200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422716992000).

320052141200 is an abundant number, since it is smaller than the sum of its proper divisors (525381842800).

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

320052141200 is a wasteful number, since it uses less digits than its factorization.

320052141200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572905 (or 572894 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 320052141200 its reverse (2141250023), we get a palindrome (322193391223).

The spelling of 320052141200 in words is "three hundred twenty billion, fifty-two million, one hundred forty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 127 176 200 220 254 275 400 440 508 550 635 880 1016 1100 1270 1397 2032 2200 2540 2794 3175 4400 5080 5588 6350 6985 10160 11176 12700 13970 22352 25400 27940 34925 50800 55880 69850 111760 139700 279400 558800 572749 1145498 2290996 2863745 4581992 5727490 6300239 9163984 11454980 12600478 14318725 22909960 25200956 28637450 31501195 45819920 50401912 57274900 63002390 72739123 100803824 114549800 126004780 145478246 157505975 229099600 252009560 290956492 315011950 363695615 504019120 581912984 630023900 727391230 800130353 1163825968 1260047800 1454782460 1600260706 1818478075 2520095600 2909564920 3200521412 3636956150 4000651765 5819129840 6401042824 7273912300 8001303530 12802085648 14547824600 16002607060 20003258825 29095649200 32005214120 40006517650 64010428240 80013035300 160026070600 320052141200