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231330012200 = 23527198696617
BaseRepresentation
bin1101011101110001010…
…1111101110000101000
3211010002210020012121122
43113130111331300220
512242230440342300
6254134352554412
722466400442310
oct3273425756050
9733083205548
10231330012200
118a119841071
12389bbb52a08
1318a780c9931
14b2a7020440
15603dc1ac85
hex35dc57dc28

231330012200 has 96 divisors (see below), whose sum is σ = 647028379200. Its totient is φ = 75138762240.

The previous prime is 231330012197. The next prime is 231330012211. The reversal of 231330012200 is 2210033132.

231330012200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 4321709 + ... + 4374908.

It is an arithmetic number, because the mean of its divisors is an integer number (6739878950).

Almost surely, 2231330012200 is an apocalyptic number.

231330012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231330012200 is an abundant number, since it is smaller than the sum of its proper divisors (415698367000).

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

231330012200 is a wasteful number, since it uses less digits than its factorization.

231330012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8696659 (or 8696650 counting only the distinct ones).

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

Adding to 231330012200 its reverse (2210033132), we get a palindrome (233540045332).

The spelling of 231330012200 in words is "two hundred thirty-one billion, three hundred thirty million, twelve thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 14 19 20 25 28 35 38 40 50 56 70 76 95 100 133 140 152 175 190 200 266 280 350 380 475 532 665 700 760 950 1064 1330 1400 1900 2660 3325 3800 5320 6650 13300 26600 8696617 17393234 34786468 43483085 60876319 69572936 86966170 121752638 165235723 173932340 217415425 243505276 304381595 330471446 347864680 434830850 487010552 608763190 660942892 826178615 869661700 1156650061 1217526380 1321885784 1521907975 1652357230 1739323400 2313300122 2435052760 3043815950 3304714460 4130893075 4626600244 5783250305 6087631900 6609428920 8261786150 9253200488 11566500610 12175263800 16523572300 23133001220 28916251525 33047144600 46266002440 57832503050 115665006100 231330012200