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12200583925 = 522797174481
BaseRepresentation
bin10110101110011011…
…00010001011110101
31011111021112212202201
423113031202023311
5144441322141200
65334352504501
7611225152345
oct132715421365
934437485681
1012200583925
1151a0a03312
122445b4b131
1311c589483a
1483a512d25
154b6192c6a
hex2d73622f5

12200583925 has 12 divisors (see below), whose sum is σ = 15134219716. Its totient is φ = 9756921600.

The previous prime is 12200583859. The next prime is 12200583929. The reversal of 12200583925 is 52938500221.

It can be written as a sum of positive squares in 6 ways, for example, as 79014321 + 12121569604 = 8889^2 + 110098^2 .

It is not a de Polignac number, because 12200583925 - 215 = 12200551157 is a prime.

It is a super-2 number, since 2×122005839252 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200583929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17316 + ... + 157165.

Almost surely, 212200583925 is an apocalyptic number.

It is an amenable number.

12200583925 is a deficient number, since it is larger than the sum of its proper divisors (2933635791).

12200583925 is a wasteful number, since it uses less digits than its factorization.

12200583925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177288 (or 177283 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 12200583925 in words is "twelve billion, two hundred million, five hundred eighty-three thousand, nine hundred twenty-five".

Divisors: 1 5 25 2797 13985 69925 174481 872405 4362025 488023357 2440116785 12200583925