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10503244225 = 52420129769
BaseRepresentation
bin10011100100000101…
…01100100111000001
31000002222201002102101
421302002230213001
5133002312303400
64454120550401
7521165050165
oct116202544701
930088632371
1010503244225
1144aa897931
122051622401
13cb503a116
14718d20ca5
1541716756a
hex2720ac9c1

10503244225 has 6 divisors (see below), whose sum is σ = 13024022870. Its totient is φ = 8402595360.

The previous prime is 10503244189. The next prime is 10503244243. The reversal of 10503244225 is 52244230501.

It can be written as a sum of positive squares in 3 ways, for example, as 883753984 + 9619490241 = 29728^2 + 98079^2 .

It is not a de Polignac number, because 10503244225 - 29 = 10503243713 is a prime.

It is a super-2 number, since 2×105032442252 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10503244193 and 10503244202.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 210064860 + ... + 210064909.

Almost surely, 210503244225 is an apocalyptic number.

It is an amenable number.

10503244225 is a deficient number, since it is larger than the sum of its proper divisors (2520778645).

10503244225 is an equidigital number, since it uses as much as digits as its factorization.

10503244225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420129779 (or 420129774 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 10503244225 its reverse (52244230501), we get a palindrome (62747474726).

The spelling of 10503244225 in words is "ten billion, five hundred three million, two hundred forty-four thousand, two hundred twenty-five".

Divisors: 1 5 25 420129769 2100648845 10503244225