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204303331025 = 5218894326169
BaseRepresentation
bin1011111001000101101…
…1010110111011010001
3201112100020202112212222
42332101123112323101
511321403123043100
6233504453230425
720521553442413
oct2762133267321
9645306675788
10204303331025
117970a9a4522
1233718932415
131635ba368b1
149c618349b3
1554ab165485
hex2f916d6ed1

204303331025 has 12 divisors (see below), whose sum is σ = 253470300300. Its totient is φ = 163356103680.

The previous prime is 204303331019. The next prime is 204303331033. The reversal of 204303331025 is 520133303402.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 988913809 + 203314417216 = 31447^2 + 450904^2 .

It is a de Polignac number, because none of the positive numbers 2k-204303331025 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204303330985 and 204303331003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2115860 + ... + 2210309.

It is an arithmetic number, because the mean of its divisors is an integer number (21122525025).

Almost surely, 2204303331025 is an apocalyptic number.

204303331025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204303331025 is a deficient number, since it is larger than the sum of its proper divisors (49166969275).

204303331025 is a wasteful number, since it uses less digits than its factorization.

204303331025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4328068 (or 4328063 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 204303331025 its reverse (520133303402), we get a palindrome (724436634427).

The spelling of 204303331025 in words is "two hundred four billion, three hundred three million, three hundred thirty-one thousand, twenty-five".

Divisors: 1 5 25 1889 9445 47225 4326169 21630845 108154225 8172133241 40860666205 204303331025