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5400209107225 = 524647672
BaseRepresentation
bin100111010010101010110…
…0010111010100100011001
3201010020212212011020121001
41032211111202322210121
51201434112012412400
615252453302345001
71065103134021202
oct116452542724431
921106785136531
105400209107225
1117a2241292249
1273271b12b161
13302311b27c9a
1414952b61c5a9
1595712672a6a
hex4e9558ba919

5400209107225 has 9 divisors (see below), whose sum is σ = 6696273700767. Its totient is φ = 4320157990440.

The previous prime is 5400209107187. The next prime is 5400209107261. The reversal of 5400209107225 is 5227019020045.

The square root of 5400209107225 is 2323835.

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., 1944075278601 + 3456133828624 = 1394301^2 + 1859068^2 .

It is not a de Polignac number, because 5400209107225 - 211 = 5400209105177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11386792 + ... + 11851558.

Almost surely, 25400209107225 is an apocalyptic number.

5400209107225 is the 2323835-th square number.

5400209107225 is the 1161918-th centered octagonal number.

It is an amenable number.

5400209107225 is a deficient number, since it is larger than the sum of its proper divisors (1296064593542).

5400209107225 is an frugal number, since it uses more digits than its factorization.

5400209107225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929544 (or 464772 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 5400209107225 in words is "five trillion, four hundred billion, two hundred nine million, one hundred seven thousand, two hundred twenty-five".

Divisors: 1 5 25 464767 2323835 11619175 216008364289 1080041821445 5400209107225