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19831962205 = 511487797929
BaseRepresentation
bin10010011110000100…
…111011101001011101
31220012010100001201201
4102132010323221131
5311103440242310
613035523435501
71301311616536
oct223604735135
956163301651
1019831962205
118457697810
123a15825b91
131b409317a3
14d61c6368d
157b1126e3a
hex49e13ba5d

19831962205 has 32 divisors (see below), whose sum is σ = 26075831040. Its totient is φ = 14360094720.

The previous prime is 19831962191. The next prime is 19831962211. The reversal of 19831962205 is 50226913891.

It is not a de Polignac number, because 19831962205 - 217 = 19831831133 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 21347181 + ... + 21348109.

It is an arithmetic number, because the mean of its divisors is an integer number (814869720).

Almost surely, 219831962205 is an apocalyptic number.

It is an amenable number.

19831962205 is a deficient number, since it is larger than the sum of its proper divisors (6243868835).

19831962205 is a wasteful number, since it uses less digits than its factorization.

19831962205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 19831962205 in words is "nineteen billion, eight hundred thirty-one million, nine hundred sixty-two thousand, two hundred five".

Divisors: 1 5 11 55 487 797 929 2435 3985 4645 5357 8767 10219 26785 43835 51095 388139 452423 740413 1940695 2262115 3702065 4269529 4976653 8144543 21347645 24883265 40722715 360581131 1802905655 3966392441 19831962205