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12100230330 = 235895145061
BaseRepresentation
bin10110100010011101…
…01101110010111010
31011020021201101111220
423101032231302322
5144240124332310
65320405532510
7605566155306
oct132116556272
934207641456
1012100230330
11514a2a0161
122418414136
1311aab59106
1482b06cd06
154ac46d670
hex2d13adcba

12100230330 has 32 divisors (see below), whose sum is σ = 29044441728. Its totient is φ = 3226296000.

The previous prime is 12100230299. The next prime is 12100230347. The reversal of 12100230330 is 3303200121.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246000 + ... + 291060.

It is an arithmetic number, because the mean of its divisors is an integer number (907638804).

Almost surely, 212100230330 is an apocalyptic number.

12100230330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12100230330 is an abundant number, since it is smaller than the sum of its proper divisors (16944211398).

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

12100230330 is a wasteful number, since it uses less digits than its factorization.

12100230330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54022.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 12100230330 its reverse (3303200121), we get a palindrome (15403430451).

The spelling of 12100230330 in words is "twelve billion, one hundred million, two hundred thirty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 8951 17902 26853 44755 45061 53706 89510 90122 134265 135183 225305 268530 270366 450610 675915 1351830 403341011 806682022 1210023033 2016705055 2420046066 4033410110 6050115165 12100230330