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23303012300 = 22521913113923
BaseRepresentation
bin10101101100111101…
…111011111111001100
32020011000201200022122
4111230331323333030
5340211032343200
614412200232112
71453320223241
oct255475737714
966130650278
1023303012300
119978a41057
12462416b638
132274aa3099
1411b0c475c8
15915c16385
hex56cf7bfcc

23303012300 has 72 divisors (see below), whose sum is σ = 51008735232. Its totient is φ = 9240232000.

The previous prime is 23303012267. The next prime is 23303012303. The reversal of 23303012300 is 321030332.

It is not an unprimeable number, because it can be changed into a prime (23303012303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5938139 + ... + 5942061.

It is an arithmetic number, because the mean of its divisors is an integer number (708454656).

Almost surely, 223303012300 is an apocalyptic number.

23303012300 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 23303012300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25504367616).

23303012300 is an abundant number, since it is smaller than the sum of its proper divisors (27705722932).

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

23303012300 is a wasteful number, since it uses less digits than its factorization.

23303012300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4439 (or 4432 counting only the distinct ones).

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

Adding to 23303012300 its reverse (321030332), we get a palindrome (23624042632).

The spelling of 23303012300 in words is "twenty-three billion, three hundred three million, twelve thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 191 311 382 622 764 955 1244 1555 1910 3110 3820 3923 4775 6220 7775 7846 9550 15550 15692 19100 19615 31100 39230 59401 78460 98075 118802 196150 237604 297005 392300 594010 749293 1188020 1220053 1485025 1498586 2440106 2970050 2997172 3746465 4880212 5940100 6100265 7492930 12200530 14985860 18732325 24401060 30501325 37464650 61002650 74929300 122005300 233030123 466060246 932120492 1165150615 2330301230 4660602460 5825753075 11651506150 23303012300