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213103220133 = 3173877468191
BaseRepresentation
bin1100011001110111110…
…0010001010110100101
3202101001112022020100210
43012131330101112211
511442413411021013
6241522005330033
721252616324656
oct3063574212645
9671045266323
10213103220133
1182416237451
1235373a06919
1317131bc127b
14a45843952d
1558239b4cc3
hex319df115a5

213103220133 has 16 divisors (see below), whose sum is σ = 286106512896. Its totient is φ = 141086247360.

The previous prime is 213103220119. The next prime is 213103220137. The reversal of 213103220133 is 331022301312.

It is not a de Polignac number, because 213103220133 - 28 = 213103219877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213103220137) 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, 221068 + ... + 689258.

It is an arithmetic number, because the mean of its divisors is an integer number (17881657056).

Almost surely, 2213103220133 is an apocalyptic number.

It is an amenable number.

213103220133 is a deficient number, since it is larger than the sum of its proper divisors (73003292763).

213103220133 is a wasteful number, since it uses less digits than its factorization.

213103220133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469244.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 213103220133 its reverse (331022301312), we get a palindrome (544125521445).

The spelling of 213103220133 in words is "two hundred thirteen billion, one hundred three million, two hundred twenty thousand, one hundred thirty-three".

Divisors: 1 3 173 519 877 2631 151721 455163 468191 1404573 80997043 242991129 410603507 1231810521 71034406711 213103220133