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28270500195 = 3574113150129
BaseRepresentation
bin11010010101000011…
…011001100101100011
32200222012221012122210
4122111003121211203
5430344222001240
620553130533203
72020366200240
oct322503314543
980865835583
1028270500195
1110a97a62253
12558b897203
132886c8a432
1415228845c7
15b06d99780
hex6950d9963

28270500195 has 64 divisors (see below), whose sum is σ = 53360778240. Its totient is φ = 12511948800.

The previous prime is 28270500187. The next prime is 28270500211. The reversal of 28270500195 is 59100507282.

It is not a de Polignac number, because 28270500195 - 23 = 28270500187 is a prime.

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 63 ways as a sum of consecutive naturals, for example, 538891 + ... + 589019.

It is an arithmetic number, because the mean of its divisors is an integer number (833762160).

Almost surely, 228270500195 is an apocalyptic number.

28270500195 is a deficient number, since it is larger than the sum of its proper divisors (25090278045).

28270500195 is a wasteful number, since it uses less digits than its factorization.

28270500195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50316.

The product of its (nonzero) digits is 50400, while the sum is 39.

The spelling of 28270500195 in words is "twenty-eight billion, two hundred seventy million, five hundred thousand, one hundred ninety-five".

Divisors: 1 3 5 7 15 21 35 41 105 123 131 205 287 393 615 655 861 917 1435 1965 2751 4305 4585 5371 13755 16113 26855 37597 50129 80565 112791 150387 187985 250645 350903 563955 751935 1052709 1754515 2055289 5263545 6165867 6566899 10276445 14387023 19700697 30829335 32834495 43161069 45968293 71935115 98503485 137904879 215805345 229841465 269242859 689524395 807728577 1346214295 1884700013 4038642885 5654100039 9423500065 28270500195