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203130012300 = 223521303519647
BaseRepresentation
bin1011110100101101111…
…1100000001010001100
3201102022110221210011220
42331023133200022030
511312002240343200
6233152221043340
720450515421205
oct2751337401214
9642273853156
10203130012300
1179168661826
123344b9b6550
1316202924967
149b8da8c5ac
15543d14a4a0
hex2f4b7e028c

203130012300 has 72 divisors (see below), whose sum is σ = 588175021056. Its totient is φ = 54126327360.

The previous prime is 203130012299. The next prime is 203130012313. The reversal of 203130012300 is 3210031302.

203130012300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 203130012300.

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 23 ways as a sum of consecutive naturals, for example, 131077 + ... + 650723.

Almost surely, 2203130012300 is an apocalyptic number.

203130012300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203130012300 is an abundant number, since it is smaller than the sum of its proper divisors (385045008756).

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

203130012300 is a wasteful number, since it uses less digits than its factorization.

203130012300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520967 (or 520960 counting only the distinct ones).

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

Adding to 203130012300 its reverse (3210031302), we get a palindrome (206340043602).

The spelling of 203130012300 in words is "two hundred three billion, one hundred thirty million, twelve thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 1303 2606 3909 5212 6515 7818 13030 15636 19545 26060 32575 39090 65150 78180 97725 130300 195450 390900 519647 1039294 1558941 2078588 2598235 3117882 5196470 6235764 7794705 10392940 12991175 15589410 25982350 31178820 38973525 51964700 77947050 155894100 677100041 1354200082 2031300123 2708400164 3385500205 4062600246 6771000410 8125200492 10156500615 13542000820 16927501025 20313001230 33855002050 40626002460 50782503075 67710004100 101565006150 203130012300