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211022100213 = 31931412912779
BaseRepresentation
bin1100010010000111100…
…1011011011011110101
3202011200111022101112020
43010201321123123311
511424133124201323
6240535303543353
721150216153651
oct3044171333365
9664614271466
10211022100213
1181548524231
1234a92a5ab59
1316b8c9b3b72
14a2dbca5a61
155750e2bae3
hex3121e5b6f5

211022100213 has 32 divisors (see below), whose sum is σ = 313182105600. Its totient is φ = 125832009600.

The previous prime is 211022100209. The next prime is 211022100221. The reversal of 211022100213 is 312001220112.

It is not a de Polignac number, because 211022100213 - 22 = 211022100209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211022100192 and 211022100201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211022100313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1383943 + ... + 1528836.

It is an arithmetic number, because the mean of its divisors is an integer number (9786940800).

Almost surely, 2211022100213 is an apocalyptic number.

It is an amenable number.

211022100213 is a deficient number, since it is larger than the sum of its proper divisors (102160005387).

211022100213 is a wasteful number, since it uses less digits than its factorization.

211022100213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2912873.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 211022100213 its reverse (312001220112), we get a palindrome (523023320325).

The spelling of 211022100213 in words is "two hundred eleven billion, twenty-two million, one hundred thousand, two hundred thirteen".

Divisors: 1 3 19 31 41 57 93 123 589 779 1271 1767 2337 3813 24149 72447 2912779 8738337 55342801 90296149 119423939 166028403 270888447 358271817 1715626831 2269054841 3702142109 5146880493 6807164523 11106426327 70340700071 211022100213