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212021120300 = 2252111131705721
BaseRepresentation
bin1100010101110101110…
…0011000110100101100
3202021021010010212110012
43011131130120310230
511433204401322200
6241222352232352
721214036533653
oct3053534306454
9667233125405
10212021120300
1181a10438870
123511153b6b8
1316cbb96a002
14a39483a19a
1557ad9b7a35
hex315d718d2c

212021120300 has 72 divisors (see below), whose sum is σ = 506353810032. Its totient is φ = 76416256000.

The previous prime is 212021120273. The next prime is 212021120321. The reversal of 212021120300 is 3021120212.

It is a happy number.

212021120300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 728561 + ... + 977160.

It is an arithmetic number, because the mean of its divisors is an integer number (7032691806).

Almost surely, 2212021120300 is an apocalyptic number.

212021120300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212021120300 is an abundant number, since it is smaller than the sum of its proper divisors (294332689732).

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

212021120300 is a wasteful number, since it uses less digits than its factorization.

212021120300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705859 (or 1705852 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 212021120300 its reverse (3021120212), we get a palindrome (215042240512).

The spelling of 212021120300 in words is "two hundred twelve billion, twenty-one million, one hundred twenty thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 113 220 226 275 452 550 565 1100 1130 1243 2260 2486 2825 4972 5650 6215 11300 12430 24860 31075 62150 124300 1705721 3411442 6822884 8528605 17057210 18762931 34114420 37525862 42643025 75051724 85286050 93814655 170572100 187629310 192746473 375258620 385492946 469073275 770985892 938146550 963732365 1876293100 1927464730 2120211203 3854929460 4240422406 4818661825 8480844812 9637323650 10601056015 19274647300 21202112030 42404224060 53005280075 106010560150 212021120300