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27984100196 = 22131259427447
BaseRepresentation
bin11010000011111110…
…110111101101100100
32200020021000120201102
4122003332313231210
5424302412201241
620504500215232
72010320632643
oct320376675544
980207016642
1027984100196
1110960327738
12550b99a518
13283c841990
1414d681135a
15adbb7539b
hex683fb7b64

27984100196 has 24 divisors (see below), whose sum is σ = 52781279040. Its totient is φ = 12905449632.

The previous prime is 27984100171. The next prime is 27984100211. The reversal of 27984100196 is 69100148972.

It is a self number, because there is not a number n which added to its sum of digits gives 27984100196.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148256 + ... + 279191.

It is an arithmetic number, because the mean of its divisors is an integer number (2199219960).

Almost surely, 227984100196 is an apocalyptic number.

27984100196 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

27984100196 is a deficient number, since it is larger than the sum of its proper divisors (24797178844).

27984100196 is a wasteful number, since it uses less digits than its factorization.

27984100196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428723 (or 428721 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

It can be divided in two parts, 27984100 and 196, that multiplied together give a square (5484883600 = 740602).

The spelling of 27984100196 in words is "twenty-seven billion, nine hundred eighty-four million, one hundred thousand, one hundred ninety-six".

Divisors: 1 2 4 13 26 52 1259 2518 5036 16367 32734 65468 427447 854894 1709788 5556811 11113622 22227244 538155773 1076311546 2152623092 6996025049 13992050098 27984100196