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212103030300 = 223527101001443
BaseRepresentation
bin1100010110001001010…
…0110110011000011100
3202021110211021022211220
43011202110312120130
511433341333432200
6241234440013340
721216053003430
oct3054224663034
9667424238756
10212103030300
1181a526a3a87
1235134a61250
1317002918875
14a3a167c9c0
1557b5c974a0
hex316253661c

212103030300 has 72 divisors (see below), whose sum is σ = 701354027136. Its totient is φ = 48480692160.

The previous prime is 212103030289. The next prime is 212103030383. The reversal of 212103030300 is 3030301212.

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 212103030300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50498622 + ... + 50502821.

Almost surely, 2212103030300 is an apocalyptic number.

212103030300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212103030300 is an abundant number, since it is smaller than the sum of its proper divisors (489250996836).

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

212103030300 is a wasteful number, since it uses less digits than its factorization.

212103030300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101001467 (or 101001460 counting only the distinct ones).

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

Adding to 212103030300 its reverse (3030301212), we get a palindrome (215133331512).

The spelling of 212103030300 in words is "two hundred twelve billion, one hundred three million, thirty thousand, three hundred".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 75 84 100 105 140 150 175 210 300 350 420 525 700 1050 2100 101001443 202002886 303004329 404005772 505007215 606008658 707010101 1010014430 1212017316 1414020202 1515021645 2020028860 2121030303 2525036075 2828040404 3030043290 3535050505 4242060606 5050072150 6060086580 7070101010 7575108225 8484121212 10100144300 10605151515 14140202020 15150216450 17675252525 21210303030 30300432900 35350505050 42420606060 53025757575 70701010100 106051515150 212103030300