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212303222033 = 74238534507
BaseRepresentation
bin1100010110111001000…
…0100001010100010001
3202021222202222010021112
43011232100201110101
511434244111101113
6241310350503105
721224033420000
oct3055620412421
9667882863245
10212303222033
11820456a7aa1
123518bb04a95
131703523c206
14a3c00b0c37
1557c863d5a8
hex316e421511

212303222033 has 40 divisors (see below), whose sum is σ = 258801106368. Its totient is φ = 173819634912.

The previous prime is 212303222017. The next prime is 212303222101. The reversal of 212303222033 is 330222303212.

It is not a de Polignac number, because 212303222033 - 24 = 212303222017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (212303222933) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 47102966 + ... + 47107472.

Almost surely, 2212303222033 is an apocalyptic number.

212303222033 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

212303222033 is a deficient number, since it is larger than the sum of its proper divisors (46497884335).

212303222033 is an frugal number, since it uses more digits than its factorization.

212303222033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5411 (or 5390 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 212303222033 its reverse (330222303212), we get a palindrome (542525525245).

The spelling of 212303222033 in words is "two hundred twelve billion, three hundred three million, two hundred twenty-two thousand, thirty-three".

Divisors: 1 7 23 49 161 343 853 1127 2401 4507 5971 7889 19619 31549 41797 55223 103661 137333 220843 292579 725627 961331 1545901 2048053 3844471 5079389 6729317 10821307 26911297 35555723 47105219 88422833 188379079 248890061 618959831 1318653553 4332718817 9230574871 30329031719 212303222033