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15085643069 = 75933634219
BaseRepresentation
bin11100000110010110…
…01010010100111101
31102221100022001220002
432003023022110331
5221343411034234
610532533404045
71042556564450
oct160313122475
942840261802
1015085643069
1164414a7a12
122b10199625
131565503b23
14a31759497
155d45d027e
hex3832ca53d

15085643069 has 8 divisors (see below), whose sum is σ = 17269813440. Its totient is φ = 12908742336.

The previous prime is 15085642993. The next prime is 15085643113. The reversal of 15085643069 is 96034658051.

It is a happy number.

15085643069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15085643069 - 28 = 15085642813 is a prime.

It is a super-2 number, since 2×150856430692 (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 (15085643269) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1812959 + ... + 1821260.

It is an arithmetic number, because the mean of its divisors is an integer number (2158726680).

Almost surely, 215085643069 is an apocalyptic number.

It is an amenable number.

15085643069 is a deficient number, since it is larger than the sum of its proper divisors (2184170371).

15085643069 is an equidigital number, since it uses as much as digits as its factorization.

15085643069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3634819.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 15085643069 in words is "fifteen billion, eighty-five million, six hundred forty-three thousand, sixty-nine".

Divisors: 1 7 593 4151 3634219 25439533 2155091867 15085643069