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211210202011 = 973386364301
BaseRepresentation
bin1100010010110100011…
…0111110101110011011
3202012011121020221200111
43010231012332232123
511430024302431021
6241010103345151
721154662044464
oct3045506765633
9665147227614
10211210202011
118163471a966
1234b25a521b7
1316bbc9635c3
14a318c6bd6b
1557626d58e1
hex312d1beb9b

211210202011 has 8 divisors (see below), whose sum is σ = 213397246944. Its totient is φ = 209023353600.

The previous prime is 211210201991. The next prime is 211210202017. The reversal of 211210202011 is 110202012112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211210202011 - 213 = 211210193819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211210201982 and 211210202000.

It is not an unprimeable number, because it can be changed into a prime (211210202017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3252561 + ... + 3316861.

It is an arithmetic number, because the mean of its divisors is an integer number (26674655868).

Almost surely, 2211210202011 is an apocalyptic number.

211210202011 is a deficient number, since it is larger than the sum of its proper divisors (2187044933).

211210202011 is an equidigital number, since it uses as much as digits as its factorization.

211210202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98261.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211210202011 its reverse (110202012112), we get a palindrome (321412214123).

The spelling of 211210202011 in words is "two hundred eleven billion, two hundred ten million, two hundred two thousand, eleven".

Divisors: 1 97 33863 64301 3284711 6237197 2177424763 211210202011