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212030222011 = 19313531019783
BaseRepresentation
bin1100010101110111111…
…1000110111010111011
3202021021202021021122121
43011131333012322323
511433214214101021
6241223315302111
721214210102366
oct3053577067273
9667252237577
10212030222011
1181a15595043
12351145aa937
1316cc0805a3a
14a395b290dd
1557ae6b4741
hex315dfc6ebb

212030222011 has 16 divisors (see below), whose sum is σ = 231042263040. Its totient is φ = 193840162560.

The previous prime is 212030221981. The next prime is 212030222021. The reversal of 212030222011 is 110222030212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212030222011 - 25 = 212030221979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212030222021) 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, 301975 + ... + 717808.

It is an arithmetic number, because the mean of its divisors is an integer number (14440141440).

Almost surely, 2212030222011 is an apocalyptic number.

212030222011 is a deficient number, since it is larger than the sum of its proper divisors (19012041029).

212030222011 is a wasteful number, since it uses less digits than its factorization.

212030222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020186.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212030222011 its reverse (110222030212), we get a palindrome (322252252223).

The spelling of 212030222011 in words is "two hundred twelve billion, thirty million, two hundred twenty-two thousand, eleven".

Divisors: 1 19 31 353 589 6707 10943 207917 1019783 19375877 31613273 359983399 600652187 6839684581 11159485369 212030222011