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3205030005200 = 2452137325717957
BaseRepresentation
bin101110101000111010101…
…011001100100111010000
3102100101202001101200220102
4232220322223030213100
5410002400140131300
610452212004031532
7450361426355222
oct56507253144720
912311661350812
103205030005200
111026277979271
124391a60925a8
131a3304c850ca
14b11a504a412
155858459a0d5
hex2ea3aacc9d0

3205030005200 has 120 divisors (see below), whose sum is σ = 7759103075352. Its totient is φ = 1272192655360.

The previous prime is 3205030005179. The next prime is 3205030005217. The reversal of 3205030005200 is 25000305023.

3205030005200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 27823574416 + 3177206430784 = 166804^2 + 1782472^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178474622 + ... + 178492578.

Almost surely, 23205030005200 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 3205030005200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3879551537676).

3205030005200 is an abundant number, since it is smaller than the sum of its proper divisors (4554073070152).

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

3205030005200 is a wasteful number, since it uses less digits than its factorization.

3205030005200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21369 (or 21358 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The spelling of 3205030005200 in words is "three trillion, two hundred five billion, thirty million, five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 137 200 274 400 548 685 1096 1370 2192 2740 3257 3425 5480 6514 6850 10960 13028 13700 16285 17957 26056 27400 32570 35914 52112 54800 65140 71828 81425 89785 130280 143656 162850 179570 260560 287312 325700 359140 446209 448925 651400 718280 892418 897850 1302800 1436560 1784836 1795700 2231045 2460109 3569672 3591400 4462090 4920218 7139344 7182800 8924180 9840436 11155225 12300545 17848360 19680872 22310450 24601090 35696720 39361744 44620900 49202180 58485949 61502725 89241800 98404360 116971898 123005450 178483600 196808720 233943796 246010900 292429745 467887592 492021800 584859490 935775184 984043600 1169718980 1462148725 2339437960 2924297450 4678875920 5848594900 8012575013 11697189800 16025150026 23394379600 32050300052 40062875065 64100600104 80125750130 128201200208 160251500260 200314375325 320503000520 400628750650 641006001040 801257501300 1602515002600 3205030005200