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1303220310220 = 225199327442289
BaseRepresentation
bin10010111101101101111…
…110111101000011001100
311121120211122221011101001
4102331231332331003030
5132322443344411340
62434405142030044
7163104004602043
oct22755576750314
94546748834331
101303220310220
114627689879a4
121906a5a18324
1395b7c32764a
144710d13d55a
1523d769d629a
hex12f6dfbd0cc

1303220310220 has 24 divisors (see below), whose sum is σ = 2750515236000. Its totient is φ = 518668584192.

The previous prime is 1303220310209. The next prime is 1303220310263. The reversal of 1303220310220 is 220130223031.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163717165 + ... + 163725124.

It is an arithmetic number, because the mean of its divisors is an integer number (114604801500).

Almost surely, 21303220310220 is an apocalyptic number.

1303220310220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303220310220 is an abundant number, since it is smaller than the sum of its proper divisors (1447294925780).

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

1303220310220 is a wasteful number, since it uses less digits than its factorization.

1303220310220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327442497 (or 327442495 counting only the distinct ones).

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

Adding to 1303220310220 its reverse (220130223031), we get a palindrome (1523350533251).

The spelling of 1303220310220 in words is "one trillion, three hundred three billion, two hundred twenty million, three hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 199 398 796 995 1990 3980 327442289 654884578 1309769156 1637211445 3274422890 6548845780 65161015511 130322031022 260644062044 325805077555 651610155110 1303220310220