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210122202220120 = 235172628771175467
BaseRepresentation
bin101111110001101011100011…
…001110010000011001011000
31000112222111010112220021222101
4233301223203032100121120
5210020120232232020440
62022520450200133144
762154554023501261
oct5761534316203130
91015874115807871
10210122202220120
1160a51364308013
121b6971104671b4
13903259192c798
1439c5d7c753968
151945b6249269a
hexbf1ae3390658

210122202220120 has 64 divisors (see below), whose sum is σ = 500587576584480. Its totient is φ = 79104460855296.

The previous prime is 210122202220033. The next prime is 210122202220129. The reversal of 210122202220120 is 21022202221012.

210122202220120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210122202220129) 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, 178168627 + ... + 179344093.

Almost surely, 2210122202220120 is an apocalyptic number.

210122202220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210122202220120 is an abundant number, since it is smaller than the sum of its proper divisors (290465374364360).

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

210122202220120 is a wasteful number, since it uses less digits than its factorization.

210122202220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438372 (or 1438368 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 210122202220120 its reverse (21022202221012), we get a palindrome (231144404441132).

The spelling of 210122202220120 in words is "two hundred ten trillion, one hundred twenty-two billion, two hundred two million, two hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 262877 525754 1051508 1175467 1314385 2103016 2350934 2628770 4468909 4701868 5257540 5877335 8937818 9403736 10515080 11754670 17875636 19982939 22344545 23509340 35751272 39965878 44689090 47018680 79931756 89378180 99914695 159863512 178756360 199829390 399658780 799317560 309003238559 618006477118 1236012954236 1545016192795 2472025908472 3090032385590 5253055055503 6180064771180 10506110111006 12360129542360 21012220222012 26265275277515 42024440444024 52530550555030 105061101110060 210122202220120