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223213030320 = 24357521255019
BaseRepresentation
bin1100111111100010001…
…0001000101110110000
3210100011002200210202010
43033320202020232300
512124120013432240
6250313113522520
722061266311150
oct3177042105660
9710132623663
10223213030320
1186733a33485
1237315713440
1318083578587
14ab36dc4760
155c16314280
hex33f8888bb0

223213030320 has 160 divisors (see below), whose sum is σ = 792332858880. Its totient is φ = 50921994240.

The previous prime is 223213030307. The next prime is 223213030357. The reversal of 223213030320 is 23030312322.

It is a super-3 number, since 3×2232130303203 (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 747771 + ... + 1002789.

It is an arithmetic number, because the mean of its divisors is an integer number (4952080368).

Almost surely, 2223213030320 is an apocalyptic number.

223213030320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223213030320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396166429440).

223213030320 is an abundant number, since it is smaller than the sum of its proper divisors (569119828560).

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

223213030320 is a wasteful number, since it uses less digits than its factorization.

223213030320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255563 (or 255557 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 223213030320 its reverse (23030312322), we get a palindrome (246243342642).

The spelling of 223213030320 in words is "two hundred twenty-three billion, two hundred thirteen million, thirty thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 521 560 840 1042 1563 1680 2084 2605 3126 3647 4168 5210 6252 7294 7815 8336 10420 10941 12504 14588 15630 18235 20840 21882 25008 29176 31260 36470 41680 43764 54705 58352 62520 72940 87528 109410 125040 145880 175056 218820 255019 291760 437640 510038 765057 875280 1020076 1275095 1530114 1785133 2040152 2550190 3060228 3570266 3825285 4080304 5100380 5355399 6120456 7140532 7650570 8925665 10200760 10710798 12240912 14281064 15301140 17851330 20401520 21421596 26776995 28562128 30602280 35702660 42843192 53553990 61204560 71405320 85686384 107107980 132864899 142810640 214215960 265729798 398594697 428431920 531459596 664324495 797189394 930054293 1062919192 1328648990 1594378788 1860108586 1992973485 2125838384 2657297980 2790162879 3188757576 3720217172 3985946970 4650271465 5314595960 5580325758 6377515152 7440434344 7971893940 9300542930 10629191920 11160651516 13950814395 14880868688 15943787880 18601085860 22321303032 27901628790 31887575760 37202171720 44642606064 55803257580 74404343440 111606515160 223213030320