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212200201110 = 23573358327043
BaseRepresentation
bin1100010110100000011…
…1100001101110010110
3202021201121010010010210
43011220013201232112
511434041222413420
6241252230430250
721221342643312
oct3055007415626
9667647103123
10212200201110
1181aa2532937
1235161502386
1317019aab6a1
14a3b0534b42
1557be58d9e0
hex31681e1b96

212200201110 has 64 divisors (see below), whose sum is σ = 516420108288. Its totient is φ = 55793919744.

The previous prime is 212200201099. The next prime is 212200201111. The reversal of 212200201110 is 11102002212.

It is a super-2 number, since 2×2122002011102 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212200201111) 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, 7833249 + ... + 7860291.

It is an arithmetic number, because the mean of its divisors is an integer number (8069064192).

Almost surely, 2212200201110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212200201110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258210054144).

212200201110 is an abundant number, since it is smaller than the sum of its proper divisors (304219907178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212200201110 is a wasteful number, since it uses less digits than its factorization.

212200201110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30709.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212200201110 its reverse (11102002212), we get a palindrome (223302203322).

The spelling of 212200201110 in words is "two hundred twelve billion, two hundred million, two hundred one thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 73 146 219 365 438 730 1095 2190 3583 7166 10749 17915 21498 27043 35830 53745 54086 81129 107490 135215 162258 261559 270430 405645 523118 784677 811290 1307795 1569354 1974139 2615590 3923385 3948278 5922417 7846770 9870695 11844834 19741390 29612085 59224170 96895069 193790138 290685207 484475345 581370414 968950690 1453426035 2906852070 7073340037 14146680074 21220020111 35366700185 42440040222 70733400370 106100100555 212200201110