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213321300220 = 22572366248851
BaseRepresentation
bin1100011010101011110…
…0001011100011111100
3202101121201122212000001
43012222330023203330
511443340223101340
6241555355444044
721261205063660
oct3065274134374
9671551585001
10213321300220
1182518349226
1235414a56624
1317168138b42
14a4793a68a0
155837be129a
hex31aaf0b8fc

213321300220 has 48 divisors (see below), whose sum is σ = 534230742528. Its totient is φ = 69958785600.

The previous prime is 213321300161. The next prime is 213321300251. The reversal of 213321300220 is 22003123312.

213321300220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 33121206 + ... + 33127645.

It is an arithmetic number, because the mean of its divisors is an integer number (11129807136).

Almost surely, 2213321300220 is an apocalyptic number.

213321300220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213321300220 is an abundant number, since it is smaller than the sum of its proper divisors (320909442308).

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

213321300220 is a wasteful number, since it uses less digits than its factorization.

213321300220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66248890 (or 66248888 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 213321300220 its reverse (22003123312), we get a palindrome (235324423532).

The spelling of 213321300220 in words is "two hundred thirteen billion, three hundred twenty-one million, three hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 23 28 35 46 70 92 115 140 161 230 322 460 644 805 1610 3220 66248851 132497702 264995404 331244255 463741957 662488510 927483914 1324977020 1523723573 1854967828 2318709785 3047447146 4637419570 6094894292 7618617865 9274839140 10666065011 15237235730 21332130022 30474471460 42664260044 53330325055 106660650110 213321300220