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28383723206 = 22327112771783
BaseRepresentation
bin11010011011110011…
…010011111011000110
32201021002222112102122
4122123303103323012
5431112213120311
621012253405542
72023242444416
oct323363237306
981232875378
1028383723206
1111045965393
1256017998b2
1328a45807b7
141533918646
15b11cb20db
hex69bcd3ec6

28383723206 has 32 divisors (see below), whose sum is σ = 44650579968. Its totient is φ = 13506562080.

The previous prime is 28383723197. The next prime is 28383723217. The reversal of 28383723206 is 60232738382.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15918191 + ... + 15919973.

It is an arithmetic number, because the mean of its divisors is an integer number (1395330624).

Almost surely, 228383723206 is an apocalyptic number.

28383723206 is a deficient number, since it is larger than the sum of its proper divisors (16266856762).

28383723206 is a wasteful number, since it uses less digits than its factorization.

28383723206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3356.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 28383723206 in words is "twenty-eight billion, three hundred eighty-three million, seven hundred twenty-three thousand, two hundred six".

Divisors: 1 2 23 46 271 542 1277 1783 2554 3566 6233 12466 29371 41009 58742 82018 346067 483193 692134 966386 2276891 4553782 7959541 11113439 15919082 22226878 52368493 104736986 617037461 1234074922 14191861603 28383723206