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20203130133 = 331993760121
BaseRepresentation
bin10010110100001100…
…110100110100010101
31221010222202100102000
4102310030310310111
5312334000131013
613140423105513
71313436526014
oct226414646425
957128670360
1020203130133
11862815a76a
123ab9ba2299
131b9c7b9894
14d99280a7b
157d39e2973
hex4b4334d15

20203130133 has 16 divisors (see below), whose sum is σ = 30080976000. Its totient is φ = 13401067680.

The previous prime is 20203130131. The next prime is 20203130161. The reversal of 20203130133 is 33103130202.

It is not a de Polignac number, because 20203130133 - 21 = 20203130131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203130131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1874688 + ... + 1885433.

It is an arithmetic number, because the mean of its divisors is an integer number (1880061000).

Almost surely, 220203130133 is an apocalyptic number.

It is an amenable number.

20203130133 is a deficient number, since it is larger than the sum of its proper divisors (9877845867).

20203130133 is a wasteful number, since it uses less digits than its factorization.

20203130133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3760329 (or 3760323 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20203130133 its reverse (33103130202), we get a palindrome (53306260335).

The spelling of 20203130133 in words is "twenty billion, two hundred three million, one hundred thirty thousand, one hundred thirty-three".

Divisors: 1 3 9 27 199 597 1791 5373 3760121 11280363 33841089 101523267 748264079 2244792237 6734376711 20203130133