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231002300000 = 255510721589
BaseRepresentation
bin1101011100100011001…
…1110101111001100000
3211002020221120200222202
43113020303311321200
512241043042100000
6254042044552332
722455311103203
oct3271063657140
9732227520882
10231002300000
1189a7085a03a
123892a2526a8
1318a252482a4
14b2756b593a
156020085dd5
hex35c8cf5e60

231002300000 has 144 divisors (see below), whose sum is σ = 573784994160. Its totient is φ = 91533120000.

The previous prime is 231002299993. The next prime is 231002300027. The reversal of 231002300000 is 3200132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10689206 + ... + 10710794.

It is an arithmetic number, because the mean of its divisors is an integer number (3984618015).

Almost surely, 2231002300000 is an apocalyptic number.

231002300000 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 231002300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286892497080).

231002300000 is an abundant number, since it is smaller than the sum of its proper divisors (342782694160).

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

231002300000 is an equidigital number, since it uses as much as digits as its factorization.

231002300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21731 (or 21703 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 231002300000 its reverse (3200132), we get a palindrome (231005500132).

The spelling of 231002300000 in words is "two hundred thirty-one billion, two million, three hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 107 125 160 200 214 250 400 428 500 535 625 800 856 1000 1070 1250 1712 2000 2140 2500 2675 3125 3424 4000 4280 5000 5350 6250 8560 10000 10700 12500 13375 17120 20000 21400 21589 25000 26750 42800 43178 50000 53500 66875 85600 86356 100000 107000 107945 133750 172712 214000 215890 267500 334375 345424 428000 431780 535000 539725 668750 690848 863560 1070000 1079450 1337500 1727120 2140000 2158900 2310023 2675000 2698625 3454240 4317800 4620046 5350000 5397250 8635600 9240092 10700000 10794500 11550115 13493125 17271200 18480184 21589000 23100230 26986250 36960368 43178000 46200460 53972500 57750575 67465625 73920736 86356000 92400920 107945000 115501150 134931250 184801840 215890000 231002300 269862500 288752875 369603680 431780000 462004600 539725000 577505750 924009200 1079450000 1155011500 1443764375 1848018400 2158900000 2310023000 2887528750 4620046000 5775057500 7218821875 9240092000 11550115000 14437643750 23100230000 28875287500 46200460000 57750575000 115501150000 231002300000