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52005345005200 = 24522918367244091
BaseRepresentation
bin10111101001100011100000…
…00111011000111010010000
320211010122212220120111211111
423310301300013120322100
523304023421310131300
6302334531540223104
713645155633625546
oct1364616007307220
9224118786514744
1052005345005200
111563038552a444
1259bab9899aa94
132303110440802
14cbb101cc5d96
15602ba1ee29ba
hex2f4c701d8e90

52005345005200 has 120 divisors (see below), whose sum is σ = 129258781908480. Its totient is φ = 20083647091200.

The previous prime is 52005345005183. The next prime is 52005345005203. The reversal of 52005345005200 is 250054350025.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52005345005203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212935155 + ... + 213179245.

It is an arithmetic number, because the mean of its divisors is an integer number (1077156515904).

Almost surely, 252005345005200 is an apocalyptic number.

52005345005200 is a gapful number since it is divisible by the number (50) 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 52005345005200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64629390954240).

52005345005200 is an abundant number, since it is smaller than the sum of its proper divisors (77253436903280).

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

52005345005200 is a wasteful number, since it uses less digits than its factorization.

52005345005200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262505 (or 262494 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 31.

Adding to 52005345005200 its reverse (250054350025), we get a palindrome (52255399355225).

The spelling of 52005345005200 in words is "fifty-two trillion, five billion, three hundred forty-five million, five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 29 40 50 58 80 100 116 145 200 232 290 400 464 580 725 1160 1450 2320 2900 5800 11600 18367 36734 73468 91835 146936 183670 244091 293872 367340 459175 488182 532643 734680 918350 976364 1065286 1220455 1469360 1836700 1952728 2130572 2440910 2663215 3673400 3905456 4261144 4881820 5326430 6102275 7078639 7346800 8522288 9763640 10652860 12204550 13316075 14157278 19527280 21305720 24409100 26632150 28314556 35393195 42611440 48818200 53264300 56629112 70786390 97636400 106528600 113258224 141572780 176965975 213057200 283145560 353931950 566291120 707863900 1415727800 2831455600 4483219397 8966438794 17932877588 22416096985 35865755176 44832193970 71731510352 89664387940 112080484925 130013362513 179328775880 224160969850 260026725026 358657551760 448321939700 520053450052 650066812565 896643879400 1040106900104 1300133625130 1793287758800 2080213800208 2600267250260 3250334062825 5200534500520 6500668125650 10401069001040 13001336251300 26002672502600 52005345005200