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20130303230 = 259112209693
BaseRepresentation
bin10010101111110111…
…000000110011111110
31220221220201100200022
4102233313000303332
5312211324200410
613125302132142
71311563516462
oct225767006376
956856640608
1020130303230
1185a0038844
123a99721052
131b8a69b43b
14d8d7244a2
157cc409455
hex4afdc0cfe

20130303230 has 16 divisors (see below), whose sum is σ = 36274336704. Its totient is φ = 8043278880.

The previous prime is 20130303227. The next prime is 20130303289. The reversal of 20130303230 is 3230303102.

It is a junction number, because it is equal to n+sod(n) for n = 20130303199 and 20130303208.

It is a congruent number.

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, 1095737 + ... + 1113956.

It is an arithmetic number, because the mean of its divisors is an integer number (2267146044).

Almost surely, 220130303230 is an apocalyptic number.

20130303230 is a deficient number, since it is larger than the sum of its proper divisors (16144033474).

20130303230 is a wasteful number, since it uses less digits than its factorization.

20130303230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210611.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20130303230 its reverse (3230303102), we get a palindrome (23360606332).

The spelling of 20130303230 in words is "twenty billion, one hundred thirty million, three hundred three thousand, two hundred thirty".

Divisors: 1 2 5 10 911 1822 4555 9110 2209693 4419386 11048465 22096930 2013030323 4026060646 10065151615 20130303230