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7427750652100 = 22522725392
BaseRepresentation
bin110110000010110100001…
…1100000110100011000100
3222022002022201021112111201
41230011220130012203010
51433144013131331400
623444132254312244
71364431404550402
oct154055034064304
928262281245451
107427750652100
112404100669369
129bb66a7b8684
1341b58430ca6c
141b970dbdc472
15cd32d50806a
hex6c1687068c4

7427750652100 has 27 divisors (see below), whose sum is σ = 16118278056237. Its totient is φ = 2971089359280.

The previous prime is 7427750652079. The next prime is 7427750652139. The reversal of 7427750652100 is 12560577247.

The square root of 7427750652100 is 2725390.

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., 2673990234756 + 4753760417344 = 1635234^2 + 2180312^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 27117631 + ... + 27390169.

Almost surely, 27427750652100 is an apocalyptic number.

7427750652100 is the 2725390-th square number.

It is an amenable number.

7427750652100 is an abundant number, since it is smaller than the sum of its proper divisors (8690527404137).

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

7427750652100 is an frugal number, since it uses more digits than its factorization.

7427750652100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545092 (or 272546 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 46.

The spelling of 7427750652100 in words is "seven trillion, four hundred twenty-seven billion, seven hundred fifty million, six hundred fifty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 272539 545078 1090156 1362695 2725390 5450780 6813475 13626950 27253900 74277506521 148555013042 297110026084 371387532605 742775065210 1485550130420 1856937663025 3713875326050 7427750652100