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2213203020 = 2235712494219
BaseRepresentation
bin1000001111101010…
…1100110001001100
312201020112100210020
42003322230301030
514013034444040
61003340342140
7105562625640
oct20372546114
95636470706
102213203020
11a36328206
12519244950
132936a50b2
1416dd16c20
15ce478cd0
hex83eacc4c

2213203020 has 96 divisors (see below), whose sum is σ = 7089600000. Its totient is φ = 505350144.

The previous prime is 2213203019. The next prime is 2213203043. The reversal of 2213203020 is 203023122.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 522471 + ... + 526689.

It is an arithmetic number, because the mean of its divisors is an integer number (73850000).

Almost surely, 22213203020 is an apocalyptic number.

2213203020 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 2213203020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3544800000).

2213203020 is an abundant number, since it is smaller than the sum of its proper divisors (4876396980).

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

2213203020 is a wasteful number, since it uses less digits than its factorization.

2213203020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5487 (or 5485 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2213203020 is about 47044.6917303111. The cubic root of 2213203020 is about 1303.1880374017.

Adding to 2213203020 its reverse (203023122), we get a palindrome (2416226142).

The spelling of 2213203020 in words is "two billion, two hundred thirteen million, two hundred three thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 1249 2498 3747 4219 4996 6245 7494 8438 8743 12490 12657 14988 16876 17486 18735 21095 24980 25314 26229 29533 34972 37470 42190 43715 50628 52458 59066 63285 74940 84380 87430 88599 104916 118132 126570 131145 147665 174860 177198 253140 262290 295330 354396 442995 524580 590660 885990 1771980 5269531 10539062 15808593 21078124 26347655 31617186 36886717 52695310 63234372 73773434 79042965 105390620 110660151 147546868 158085930 184433585 221320302 316171860 368867170 442640604 553300755 737734340 1106601510 2213203020