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9999450005 = 51999890001
BaseRepresentation
bin10010101000000001…
…10111111110010101
3221210212201200200012
421110000313332111
5130434324400010
64332122530005
7502536631316
oct112400677625
927725650605
109999450005
114271479876
121b30966905
13c3485702c
146ac05c60d
153d7d00005
hex254037f95

9999450005 has 4 divisors (see below), whose sum is σ = 11999340012. Its totient is φ = 7999560000.

The previous prime is 9999449987. The next prime is 9999450023. The reversal of 9999450005 is 5000549999.

9999450005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (9999449987) and next prime (9999450023).

It can be written as a sum of positive squares in 2 ways, for example, as 3707470321 + 6291979684 = 60889^2 + 79322^2 .

It is a de Polignac number, because none of the positive numbers 2k-9999450005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 999944996 + ... + 999945005.

It is an arithmetic number, because the mean of its divisors is an integer number (2999835003).

Almost surely, 29999450005 is an apocalyptic number.

It is an amenable number.

9999450005 is a deficient number, since it is larger than the sum of its proper divisors (1999890007).

9999450005 is a wasteful number, since it uses less digits than its factorization.

9999450005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999890006.

The product of its (nonzero) digits is 656100, while the sum is 50.

The square root of 9999450005 is about 99997.2499871871. The cubic root of 9999450005 is about 2154.3951916975.

The spelling of 9999450005 in words is "nine billion, nine hundred ninety-nine million, four hundred fifty thousand, five".

Divisors: 1 5 1999890001 9999450005