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212310010312 = 23173118950053
BaseRepresentation
bin1100010110111010101…
…0011010100111001000
3202022000020202000001021
43011232222122213020
511434302330312222
6241311152202224
721224145211621
oct3055652324710
9668006660037
10212310010312
1182049514144
1235192239374
1317036777c4a
14a3c0d5aa48
1557c902eac7
hex316ea9a9c8

212310010312 has 32 divisors (see below), whose sum is σ = 421519750200. Its totient is φ = 99905393664.

The previous prime is 212310010291. The next prime is 212310010327. The reversal of 212310010312 is 213010013212.

212310010312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 205740259396 + 6569750916 = 453586^2 + 81054^2 .

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 7 ways as a sum of consecutive naturals, for example, 4216678 + ... + 4266730.

Almost surely, 2212310010312 is an apocalyptic number.

It is an amenable number.

212310010312 is a deficient number, since it is larger than the sum of its proper divisors (209209739888).

212310010312 is a wasteful number, since it uses less digits than its factorization.

212310010312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81265 (or 81261 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212310010312 its reverse (213010013212), we get a palindrome (425320023524).

The spelling of 212310010312 in words is "two hundred twelve billion, three hundred ten million, ten thousand, three hundred twelve".

Divisors: 1 2 4 8 17 34 68 136 31189 50053 62378 100106 124756 200212 249512 400424 530213 850901 1060426 1701802 2120852 3403604 4241704 6807208 1561103017 3122206034 6244412068 12488824136 26538751289 53077502578 106155005156 212310010312