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20162630205 = 3255359143287
BaseRepresentation
bin10010110001110010…
…010101001000111101
31221001011112201221200
4102301302111020331
5312243113131310
613132415050113
71312435346304
oct226162251075
957034481850
1020162630205
118607308553
123aa8510939
131b942a9623
14d93b3b43b
157d01929c0
hex4b1c9523d

20162630205 has 48 divisors (see below), whose sum is σ = 36211743360. Its totient is φ = 10371613824.

The previous prime is 20162630203. The next prime is 20162630209. The reversal of 20162630205 is 50203626102.

20162630205 is a `hidden beast` number, since 2 + 0 + 1 + 6 + 2 + 630 + 20 + 5 = 666.

It is not a de Polignac number, because 20162630205 - 21 = 20162630203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20162630203) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 69072 + ... + 212358.

It is an arithmetic number, because the mean of its divisors is an integer number (754411320).

Almost surely, 220162630205 is an apocalyptic number.

It is an amenable number.

20162630205 is a deficient number, since it is larger than the sum of its proper divisors (16049113155).

20162630205 is a wasteful number, since it uses less digits than its factorization.

20162630205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143410 (or 143407 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The spelling of 20162630205 in words is "twenty billion, one hundred sixty-two million, six hundred thirty thousand, two hundred five".

Divisors: 1 3 5 9 15 45 53 59 159 177 265 295 477 531 795 885 2385 2655 3127 9381 15635 28143 46905 140715 143287 429861 716435 1289583 2149305 6447915 7594211 8453933 22782633 25361799 37971055 42269665 68347899 76085397 113913165 126808995 341739495 380426985 448058449 1344175347 2240292245 4032526041 6720876735 20162630205