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20102301323 = 13233113011667
BaseRepresentation
bin10010101110001100…
…001100011010001011
31220212222000201021122
4102232030030122023
5312132142120243
613122422025455
71311103512326
oct225614143213
956788021248
1020102301323
118586252575
123a9027828b
131b84945a70
14d89b157bd
157c9c27668
hex4ae30c68b

20102301323 has 32 divisors (see below), whose sum is σ = 23350505472. Its totient is φ = 17153136000.

The previous prime is 20102301313. The next prime is 20102301377. The reversal of 20102301323 is 32310320102.

It is not a de Polignac number, because 20102301323 - 28 = 20102301067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20102301313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12058136 + ... + 12059802.

It is an arithmetic number, because the mean of its divisors is an integer number (729703296).

Almost surely, 220102301323 is an apocalyptic number.

20102301323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20102301323 is a deficient number, since it is larger than the sum of its proper divisors (3248204149).

20102301323 is a wasteful number, since it uses less digits than its factorization.

20102301323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20102301323 its reverse (32310320102), we get a palindrome (52412621425).

The spelling of 20102301323 in words is "twenty billion, one hundred two million, three hundred one thousand, three hundred twenty-three".

Divisors: 1 13 23 31 299 403 713 1301 1667 9269 16913 21671 29923 38341 40331 51677 388999 498433 524303 671801 927613 1188571 2168767 12058969 15451423 28193971 49881641 67231777 648461333 874013101 1546330871 20102301323