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11205688908 = 2236911135119
BaseRepresentation
bin10100110111110100…
…10011111001001100
31001220221110222101010
422123322103321030
5140422124021113
65051532445220
7544454532651
oct123372237114
931827428333
1011205688908
114830356a27
122208919810
13109772416b
14784333c28
15458b6e1c3
hex29be93e4c

11205688908 has 24 divisors (see below), whose sum is σ = 26150584320. Its totient is φ = 3734661520.

The previous prime is 11205688903. The next prime is 11205688937. The reversal of 11205688908 is 80988650211.

It is not an unprimeable number, because it can be changed into a prime (11205688903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15373 + ... + 150491.

It is an arithmetic number, because the mean of its divisors is an integer number (1089607680).

Almost surely, 211205688908 is an apocalyptic number.

It is an amenable number.

11205688908 is an abundant number, since it is smaller than the sum of its proper divisors (14944895412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11205688908 is a wasteful number, since it uses less digits than its factorization.

11205688908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142037 (or 142035 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 48.

The spelling of 11205688908 in words is "eleven billion, two hundred five million, six hundred eighty-eight thousand, nine hundred eight".

Divisors: 1 2 3 4 6 12 6911 13822 20733 27644 41466 82932 135119 270238 405357 540476 810714 1621428 933807409 1867614818 2801422227 3735229636 5602844454 11205688908