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210110112012220 = 22571788281559669
BaseRepresentation
bin101111110001100000010010…
…100101110001011110111100
31000112221022220222001002122121
4233301200102211301132330
5210014421002133342340
62022511130345052324
762153645305434610
oct5761402245613674
91015838828032577
10210110112012220
1160a4721a742962
121b6948b74870a4
1390313b5ba2504
1439c5552b73340
1519456a5d5394a
hexbf18129717bc

210110112012220 has 48 divisors (see below), whose sum is σ = 533926872884160. Its totient is φ = 67800237825024.

The previous prime is 210110112012181. The next prime is 210110112012221. The reversal of 210110112012220 is 22210211011012.

It is a junction number, because it is equal to n+sod(n) for n = 210110112012194 and 210110112012203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210110112012221) 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, 44140777455 + ... + 44140782214.

It is an arithmetic number, because the mean of its divisors is an integer number (11123476518420).

Almost surely, 2210110112012220 is an apocalyptic number.

210110112012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210110112012220 is an abundant number, since it is smaller than the sum of its proper divisors (323816760871940).

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

210110112012220 is a wasteful number, since it uses less digits than its factorization.

210110112012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88281559702 (or 88281559700 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210110112012220 its reverse (22210211011012), we get a palindrome (232320323023232).

The spelling of 210110112012220 in words is "two hundred ten trillion, one hundred ten billion, one hundred twelve million, twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 17 20 28 34 35 68 70 85 119 140 170 238 340 476 595 1190 2380 88281559669 176563119338 353126238676 441407798345 617970917683 882815596690 1235941835366 1500786514373 1765631193380 2471883670732 3001573028746 3089854588415 6003146057492 6179709176830 7503932571865 10505505600611 12359418353660 15007865143730 21011011201222 30015730287460 42022022402444 52527528003055 105055056006110 210110112012220