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20306414611 = 730735926321
BaseRepresentation
bin10010111010010110…
…110100110000010011
31221102012002202002001
4102322112310300103
5313041420231421
613154552534431
71316132450650
oct227226646023
957365082061
1020306414611
11868049493a
123b286b1417
131bb8010362
14da8c88c27
157dcae5691
hex4ba5b4c13

20306414611 has 16 divisors (see below), whose sum is σ = 23348666880. Its totient is φ = 17299820160.

The previous prime is 20306414591. The next prime is 20306414641. The reversal of 20306414611 is 11641460302.

It is not a de Polignac number, because 20306414611 - 229 = 19769543699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20306414611.

It is not an unprimeable number, because it can be changed into a prime (20306414641) 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 15 ways as a sum of consecutive naturals, for example, 758331 + ... + 784651.

It is an arithmetic number, because the mean of its divisors is an integer number (1459291680).

Almost surely, 220306414611 is an apocalyptic number.

20306414611 is a deficient number, since it is larger than the sum of its proper divisors (3042252269).

20306414611 is a wasteful number, since it uses less digits than its factorization.

20306414611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26994.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 20306414611 its reverse (11641460302), we get a palindrome (31947874913).

The spelling of 20306414611 in words is "twenty billion, three hundred six million, four hundred fourteen thousand, six hundred eleven".

Divisors: 1 7 307 359 2149 2513 26321 110213 184247 771491 8080547 9449239 56563829 66144673 2900916373 20306414611