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20340130211 = 192671734861
BaseRepresentation
bin10010111100010111…
…011100000110100011
31221111112112200011222
4102330113130012203
5313124033131321
613202155325255
71320022153112
oct227427340643
957445480158
1020340130211
118698522975
123b37a5082b
131bc1cb660b
14dad543c79
157e0a553ab
hex4bc5dc1a3

20340130211 has 24 divisors (see below), whose sum is σ = 21917857104. Its totient is φ = 18868386240.

The previous prime is 20340130207. The next prime is 20340130259. The reversal of 20340130211 is 11203104302.

It is not a de Polignac number, because 20340130211 - 22 = 20340130207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20340130211.

It is not an unprimeable number, because it can be changed into a prime (20340130271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4181921 + ... + 4186781.

It is an arithmetic number, because the mean of its divisors is an integer number (913244046).

Almost surely, 220340130211 is an apocalyptic number.

20340130211 is a deficient number, since it is larger than the sum of its proper divisors (1577726893).

20340130211 is a wasteful number, since it uses less digits than its factorization.

20340130211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5139 (or 5120 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20340130211 its reverse (11203104302), we get a palindrome (31543234513).

The spelling of 20340130211 in words is "twenty billion, three hundred forty million, one hundred thirty thousand, two hundred eleven".

Divisors: 1 19 67 173 361 1273 3287 4861 11591 24187 62453 92359 220229 325687 840953 1754821 4184351 6188053 15978107 56343851 117573007 303584033 1070533169 20340130211