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20301109182 = 2322714161769
BaseRepresentation
bin10010111010000010…
…100101011110111110
31221101211010012101200
4102322002211132332
5313034040443212
613154243120330
71316036403144
oct227202453676
957354105350
1020301109182
1186784a0892
123b269730a6
131bb6ba3553
14da82a7594
157dc3e86dc
hex4ba0a57be

20301109182 has 24 divisors (see below), whose sum is σ = 44148056160. Its totient is φ = 6742064160.

The previous prime is 20301109177. The next prime is 20301109187. The reversal of 20301109182 is 28190110302.

It is an interprime number because it is at equal distance from previous prime (20301109177) and next prime (20301109187).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301109187) 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 11 ways as a sum of consecutive naturals, for example, 2076007 + ... + 2085762.

It is an arithmetic number, because the mean of its divisors is an integer number (1839502340).

Almost surely, 220301109182 is an apocalyptic number.

20301109182 is an abundant number, since it is smaller than the sum of its proper divisors (23846946978).

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

20301109182 is a wasteful number, since it uses less digits than its factorization.

20301109182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162048 (or 4162045 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

Adding to 20301109182 its reverse (28190110302), we get a palindrome (48491219484).

The spelling of 20301109182 in words is "twenty billion, three hundred one million, one hundred nine thousand, one hundred eighty-two".

Divisors: 1 2 3 6 9 18 271 542 813 1626 2439 4878 4161769 8323538 12485307 24970614 37455921 74911842 1127839399 2255678798 3383518197 6767036394 10150554591 20301109182