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10805785530 = 235360192851
BaseRepresentation
bin10100001000001001…
…10011001110111010
31000220001222210001220
422010010303032322
5134112240114110
64544125252510
7531530442621
oct120404631672
930801883056
1010805785530
114645647671
122116a04136
131032917847
147471966b8
154339c9370
hex2841333ba

10805785530 has 16 divisors (see below), whose sum is σ = 25933885344. Its totient is φ = 2881542800.

The previous prime is 10805785499. The next prime is 10805785553. The reversal of 10805785530 is 3558750801.

It is a happy number.

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, 180096396 + ... + 180096455.

It is an arithmetic number, because the mean of its divisors is an integer number (1620867834).

Almost surely, 210805785530 is an apocalyptic number.

10805785530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10805785530 is an abundant number, since it is smaller than the sum of its proper divisors (15128099814).

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

10805785530 is a wasteful number, since it uses less digits than its factorization.

10805785530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360192861.

The product of its (nonzero) digits is 168000, while the sum is 42.

The spelling of 10805785530 in words is "ten billion, eight hundred five million, seven hundred eighty-five thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 360192851 720385702 1080578553 1800964255 2161157106 3601928510 5402892765 10805785530