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10510225025 = 52420409001
BaseRepresentation
bin10011100100111010…
…10100111010000001
31000010110211202021112
421302131110322001
5133011104200100
64454530333105
7521311303316
oct116235247201
930113752245
1010510225025
114503825693
122053a2a195
13cb6612681
14719c1ad0d
15417a95b35
hex272754e81

10510225025 has 6 divisors (see below), whose sum is σ = 13032679062. Its totient is φ = 8408180000.

The previous prime is 10510225007. The next prime is 10510225081. The reversal of 10510225025 is 52052201501.

It can be written as a sum of positive squares in 3 ways, for example, as 1985950096 + 8524274929 = 44564^2 + 92327^2 .

It is not a de Polignac number, because 10510225025 - 210 = 10510224001 is a prime.

It is a super-2 number, since 2×105102250252 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

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, 210204476 + ... + 210204525.

It is an arithmetic number, because the mean of its divisors is an integer number (2172113177).

Almost surely, 210510225025 is an apocalyptic number.

It is an amenable number.

10510225025 is a deficient number, since it is larger than the sum of its proper divisors (2522454037).

10510225025 is an equidigital number, since it uses as much as digits as its factorization.

10510225025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420409011 (or 420409006 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

Adding to 10510225025 its reverse (52052201501), we get a palindrome (62562426526).

The spelling of 10510225025 in words is "ten billion, five hundred ten million, two hundred twenty-five thousand, twenty-five".

Divisors: 1 5 25 420409001 2102045005 10510225025