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28843530029 = 172373768619
BaseRepresentation
bin11010110111001101…
…010101011100101101
32202110011012010210222
4122313031111130231
5433032420430104
621130040541125
72040524650166
oct326715253455
982404163728
1028843530029
111126146a026
12570b7817a5
132948902142
141578a0a76d
15b3c33b1be
hex6b735572d

28843530029 has 8 divisors (see below), whose sum is σ = 31868043840. Its totient is φ = 25966553536.

The previous prime is 28843530017. The next prime is 28843530047. The reversal of 28843530029 is 92003534882.

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

It is a cyclic number.

It is not a de Polignac number, because 28843530029 - 212 = 28843525933 is a prime.

It is a super-3 number, since 3×288435300293 (a number of 32 digits) contains 333 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 (28843530049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36883919 + ... + 36884700.

It is an arithmetic number, because the mean of its divisors is an integer number (3983505480).

Almost surely, 228843530029 is an apocalyptic number.

It is an amenable number.

28843530029 is a deficient number, since it is larger than the sum of its proper divisors (3024513811).

28843530029 is a wasteful number, since it uses less digits than its factorization.

28843530029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73768659.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 28843530029 in words is "twenty-eight billion, eight hundred forty-three million, five hundred thirty thousand, twenty-nine".

Divisors: 1 17 23 391 73768619 1254066523 1696678237 28843530029