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211130200111 = 307583686417
BaseRepresentation
bin1100010010100001010…
…1110011000000101111
3202011222000201102201011
43010220111303000233
511424343312400421
6240554124530051
721153001043005
oct3045025630057
9664860642634
10211130200111
11815a3548296
1234b030b0927
1316ba92023bc
14a30c3a4a75
15575a6814e1
hex312857302f

211130200111 has 4 divisors (see below), whose sum is σ = 211131194112. Its totient is φ = 211129206112.

The previous prime is 211130200109. The next prime is 211130200123. The reversal of 211130200111 is 111002031112.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 211130200111 - 21 = 211130200109 is a prime.

It is a super-2 number, since 2×2111302001112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211130200091 and 211130200100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211130200511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35626 + ... + 650791.

It is an arithmetic number, because the mean of its divisors is an integer number (52782798528).

Almost surely, 2211130200111 is an apocalyptic number.

211130200111 is a deficient number, since it is larger than the sum of its proper divisors (994001).

211130200111 is an equidigital number, since it uses as much as digits as its factorization.

211130200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994000.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 211130200111 its reverse (111002031112), we get a palindrome (322132231223).

The spelling of 211130200111 in words is "two hundred eleven billion, one hundred thirty million, two hundred thousand, one hundred eleven".

Divisors: 1 307583 686417 211130200111