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213234120330 = 235711234013441
BaseRepresentation
bin1100011010010110111…
…1100111011010001010
3202101101122121122200020
43012211233213122022
511443200413322310
6241543003121310
721256066055130
oct3064557473212
9671348548606
10213234120330
1182483113730
12353ab813236
13171530636ca
14a46b991750
155830220170
hex31a5be768a

213234120330 has 128 divisors (see below), whose sum is σ = 665781866496. Its totient is φ = 42381926400.

The previous prime is 213234120287. The next prime is 213234120343. The reversal of 213234120330 is 33021432312.

It is a self number, because there is not a number n which added to its sum of digits gives 213234120330.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1953591 + ... + 2059850.

It is an arithmetic number, because the mean of its divisors is an integer number (5201420832).

Almost surely, 2213234120330 is an apocalyptic number.

213234120330 is an abundant number, since it is smaller than the sum of its proper divisors (452547746166).

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

213234120330 is a wasteful number, since it uses less digits than its factorization.

213234120330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4013492.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 213234120330 its reverse (33021432312), we get a palindrome (246255552642).

The spelling of 213234120330 in words is "two hundred thirteen billion, two hundred thirty-four million, one hundred twenty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 7 10 11 14 15 21 22 23 30 33 35 42 46 55 66 69 70 77 105 110 115 138 154 161 165 210 230 231 253 322 330 345 385 462 483 506 690 759 770 805 966 1155 1265 1518 1610 1771 2310 2415 2530 3542 3795 4830 5313 7590 8855 10626 17710 26565 53130 4013441 8026882 12040323 20067205 24080646 28094087 40134410 44147851 56188174 60201615 84282261 88295702 92309143 120403230 132443553 140470435 168564522 184618286 220739255 264887106 276927429 280940870 309034957 421411305 441478510 461545715 553854858 618069914 646164001 662217765 842822610 923091430 927104871 1015400573 1292328002 1324435530 1384637145 1545174785 1854209742 1938492003 2030801146 2769274290 3046201719 3090349570 3230820005 3876984006 4635524355 5077002865 6092403438 6461640010 7107804011 9271048710 9692460015 10154005730 14215608022 15231008595 19384920030 21323412033 30462017190 35539020055 42646824066 71078040110 106617060165 213234120330