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201303522025 = 528052140881
BaseRepresentation
bin1011101101111010011…
…1111111101011101001
3201020121012002110112221
42323132213333223221
511244232200201100
6232251053034041
720354326463524
oct2733647775351
9636535073487
10201303522025
1178410654631
1233020185921
1315ca13bb298
149a5927bbbb
155382b0d01a
hex2ede9ffae9

201303522025 has 6 divisors (see below), whose sum is σ = 249616367342. Its totient is φ = 161042817600.

The previous prime is 201303522023. The next prime is 201303522029. The reversal of 201303522025 is 520225303102.

It can be written as a sum of positive squares in 3 ways, for example, as 690007824 + 200613514201 = 26268^2 + 447899^2 .

It is not a de Polignac number, because 201303522025 - 21 = 201303522023 is a prime.

It is a super-3 number, since 3×2013035220253 (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 8052140881 = 201303522025 / (2 + 0 + 1 + 3 + 0 + 3 + 5 + 2 + 2 + 0 + 2 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201303522023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4026070416 + ... + 4026070465.

Almost surely, 2201303522025 is an apocalyptic number.

201303522025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201303522025 is a deficient number, since it is larger than the sum of its proper divisors (48312845317).

201303522025 is an equidigital number, since it uses as much as digits as its factorization.

201303522025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8052140891 (or 8052140886 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 201303522025 its reverse (520225303102), we get a palindrome (721528825127).

The spelling of 201303522025 in words is "two hundred one billion, three hundred three million, five hundred twenty-two thousand, twenty-five".

Divisors: 1 5 25 8052140881 40260704405 201303522025