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212202300231030 = 23531570322405267
BaseRepresentation
bin110000001111111100110010…
…101110011100110101110110
31000211100100020011021200122010
4300033330302232130311312
5210303210302324343110
62031152220235345050
762461052551040124
oct6017746256346566
91024310204250563
10212202300231030
1161683543417a2a
121b972288bb2186
13915378b6c3c85
143a58908db2914
15197ed0734e020
hexc0ff32b9cd76

212202300231030 has 32 divisors (see below), whose sum is σ = 509287156464384. Its totient is φ = 56587098293856.

The previous prime is 212202300231001. The next prime is 212202300231071. The reversal of 212202300231030 is 30132003202212.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212202300230988 and 212202300231006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1731544 + ... + 20673723.

It is an arithmetic number, because the mean of its divisors is an integer number (15915223639512).

Almost surely, 2212202300231030 is an apocalyptic number.

212202300231030 is an abundant number, since it is smaller than the sum of its proper divisors (297084856233354).

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

212202300231030 is a wasteful number, since it uses less digits than its factorization.

212202300231030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22720980.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212202300231030 its reverse (30132003202212), we get a palindrome (242334303433242).

The spelling of 212202300231030 in words is "two hundred twelve trillion, two hundred two billion, three hundred million, two hundred thirty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 315703 631406 947109 1578515 1894218 3157030 4735545 9471090 22405267 44810534 67215801 112026335 134431602 224052670 336079005 672158010 7073410007701 14146820015402 21220230023103 35367050038505 42440460046206 70734100077010 106101150115515 212202300231030