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3793807972900 = 2252112177072
BaseRepresentation
bin110111001101010000100…
…100111001101000100100
3111102200111000000110002201
4313031100210321220210
5444124204320113100
612022503515144244
7541044045461011
oct67152044715044
914380430013081
103793807972900
111232a43772900
12513322745084
132169a69b84ca
14d189ab44708
1568a4411b36a
hex37350939a24

3793807972900 has 81 divisors (see below), whose sum is σ = 9049526930577. Its totient is φ = 1379488624800.

The previous prime is 3793807972883. The next prime is 3793807972937. The reversal of 3793807972900 is 92797083973.

The square root of 3793807972900 is 1947770.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1365770870244 + 2428037102656 = 1168662^2 + 1558216^2 .

It is a Duffinian number.

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 26 ways as a sum of consecutive naturals, for example, 214245847 + ... + 214263553.

Almost surely, 23793807972900 is an apocalyptic number.

3793807972900 is the 1947770-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3793807972900

3793807972900 is an abundant number, since it is smaller than the sum of its proper divisors (5255718957677).

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

3793807972900 is an equidigital number, since it uses as much as digits as its factorization.

3793807972900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35450 (or 17725 counting only the distinct ones).

The product of its (nonzero) digits is 36006768, while the sum is 64.

Multiplying 3793807972900 by its sum of digits (64), we get a square (242803710265600 = 155821602).

The spelling of 3793807972900 in words is "three trillion, seven hundred ninety-three billion, eight hundred seven million, nine hundred seventy-two thousand, nine hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 121 220 242 275 484 550 605 1100 1210 2420 3025 6050 12100 17707 35414 70828 88535 177070 194777 354140 389554 442675 779108 885350 973885 1770700 1947770 2142547 3895540 4285094 4869425 8570188 9738850 10712735 19477700 21425470 42850940 53563675 107127350 214254700 313537849 627075698 1254151396 1567689245 3135378490 3448916339 6270756980 6897832678 7838446225 13795665356 15676892450 17244581695 31353784900 34489163390 37938079729 68978326780 75876159458 86222908475 151752318916 172445816950 189690398645 344891633900 379380797290 758761594580 948451993225 1896903986450 3793807972900