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9990265625 = 562327799
BaseRepresentation
bin10010100110111011…
…10101101100011001
3221210020110002001222
421103131311230121
5130430002000000
64331154021425
7502365566564
oct112335655431
927706402058
109990265625
11426727647a
121b29877875
13c3298c7a2
146aab4b4db
153d70d8a85
hex253775b19

9990265625 has 28 divisors (see below), whose sum is σ = 13031083200. Its totient is φ = 7644450000.

The previous prime is 9990265619. The next prime is 9990265673. The reversal of 9990265625 is 5265620999.

It is not a de Polignac number, because 9990265625 - 224 = 9973488409 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 27 ways as a sum of consecutive naturals, for example, 345476 + ... + 373274.

Almost surely, 29990265625 is an apocalyptic number.

It is an amenable number.

9990265625 is a deficient number, since it is larger than the sum of its proper divisors (3040817575).

9990265625 is an frugal number, since it uses more digits than its factorization.

9990265625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27852 (or 27827 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 53.

The square root of 9990265625 is about 99951.3162744743. The cubic root of 9990265625 is about 2153.7353939029.

The spelling of 9990265625 in words is "nine billion, nine hundred ninety million, two hundred sixty-five thousand, six hundred twenty-five".