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12113031300 = 22352107377353
BaseRepresentation
bin10110100011111111…
…00011000010000100
31011021011210202010220
423101333203002010
5144301414000200
65321544144340
7606113032026
oct132177430204
934234722126
1012113031300
115156543777
1224207680b0
1311b06bb856
1482ca42016
154ad64b4a0
hex2d1fe3084

12113031300 has 72 divisors (see below), whose sum is σ = 35374673376. Its totient is φ = 3199944960.

The previous prime is 12113031299. The next prime is 12113031317. The reversal of 12113031300 is 313031121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12113031300.

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, 156577 + ... + 220776.

It is an arithmetic number, because the mean of its divisors is an integer number (491314908).

Almost surely, 212113031300 is an apocalyptic number.

12113031300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12113031300 is an abundant number, since it is smaller than the sum of its proper divisors (23261642076).

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

12113031300 is a wasteful number, since it uses less digits than its factorization.

12113031300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377477 (or 377470 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 12113031300 its reverse (313031121), we get a palindrome (12426062421).

The spelling of 12113031300 in words is "twelve billion, one hundred thirteen million, thirty-one thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 107 150 214 300 321 428 535 642 1070 1284 1605 2140 2675 3210 5350 6420 8025 10700 16050 32100 377353 754706 1132059 1509412 1886765 2264118 3773530 4528236 5660295 7547060 9433825 11320590 18867650 22641180 28301475 37735300 40376771 56602950 80753542 113205900 121130313 161507084 201883855 242260626 403767710 484521252 605651565 807535420 1009419275 1211303130 2018838550 2422606260 3028257825 4037677100 6056515650 12113031300