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29823206825 = 521192928273
BaseRepresentation
bin11011110001100110…
…100000010110101001
32211222102121212201202
4123301212200112221
5442034220104300
621411154453545
72104022034566
oct336146402651
984872555652
1029823206825
1111714471775
1259438942b5
132a73874a59
14162cb8786d
15b98355ad5
hex6f19a05a9

29823206825 has 6 divisors (see below), whose sum is σ = 36980776494. Its totient is φ = 23858565440.

The previous prime is 29823206773. The next prime is 29823206869. The reversal of 29823206825 is 52860232892.

It can be written as a sum of positive squares in 3 ways, for example, as 10445453209 + 19377753616 = 102203^2 + 139204^2 .

It is not a de Polignac number, because 29823206825 - 218 = 29822944681 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29823206825.

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 5 ways as a sum of consecutive naturals, for example, 596464112 + ... + 596464161.

It is an arithmetic number, because the mean of its divisors is an integer number (6163462749).

Almost surely, 229823206825 is an apocalyptic number.

29823206825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29823206825 is a deficient number, since it is larger than the sum of its proper divisors (7157569669).

29823206825 is a wasteful number, since it uses less digits than its factorization.

29823206825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192928283 (or 1192928278 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 29823206825 in words is "twenty-nine billion, eight hundred twenty-three million, two hundred six thousand, eight hundred twenty-five".

Divisors: 1 5 25 1192928273 5964641365 29823206825