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213020320303230 = 235113425531884427
BaseRepresentation
bin110000011011110110101000…
…100001011000100001111110
31000221020112200101100221112020
4300123312220201120201332
5210410111103444200410
62033020103440421010
762604132055653606
oct6033665041304176
91027215611327466
10213020320303230
1161969457423680
121ba84922317766
1391b2964aab15b
143a8634a6abc06
151996232661a70
hexc1bda885887e

213020320303230 has 64 divisors (see below), whose sum is σ = 557727853632768. Its totient is φ = 51641111612160.

The previous prime is 213020320303213. The next prime is 213020320303243. The reversal of 213020320303230 is 32303023020312.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 213020320303230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112100277 + ... + 113984703.

It is an arithmetic number, because the mean of its divisors is an integer number (8714497713012).

Almost surely, 2213020320303230 is an apocalyptic number.

213020320303230 is an abundant number, since it is smaller than the sum of its proper divisors (344707533329538).

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

213020320303230 is a wasteful number, since it uses less digits than its factorization.

213020320303230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227001.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 213020320303230 its reverse (32303023020312), we get a palindrome (245323343323542).

The spelling of 213020320303230 in words is "two hundred thirteen trillion, twenty billion, three hundred twenty million, three hundred three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 342553 685106 1027659 1712765 1884427 2055318 3425530 3768083 3768854 5138295 5653281 7536166 9422135 10276590 11304249 11306562 18840415 18844270 20728697 22608498 28266405 37680830 41457394 56521245 56532810 62186091 103643485 113042490 124372182 207286970 310930455 621860910 645516122131 1291032244262 1936548366393 3227580610655 3873096732786 6455161221310 7100677343441 9682741831965 14201354686882 19365483663930 21302032030323 35503386717205 42604064060646 71006773434410 106510160151615 213020320303230