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212223131302 = 27131768591833
BaseRepresentation
bin1100010110100101111…
…0111111111010100110
3202021210012021002110011
43011221132333322212
511434113110200202
6241254410120434
721222041565220
oct3055136777246
9667705232404
10212223131302
1182004474706
123516912011a
1317021779750
14a3b35c3410
1557c15bcbd7
hex31697bfea6

212223131302 has 32 divisors (see below), whose sum is σ = 414843412032. Its totient is φ = 79017790464.

The previous prime is 212223131273. The next prime is 212223131303. The reversal of 212223131302 is 203131322212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212223131303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34292823 + ... + 34299010.

It is an arithmetic number, because the mean of its divisors is an integer number (12963856626).

Almost surely, 2212223131302 is an apocalyptic number.

212223131302 is a deficient number, since it is larger than the sum of its proper divisors (202620280730).

212223131302 is a wasteful number, since it uses less digits than its factorization.

212223131302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68591872.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212223131302 its reverse (203131322212), we get a palindrome (415354453514).

The spelling of 212223131302 in words is "two hundred twelve billion, two hundred twenty-three million, one hundred thirty-one thousand, three hundred two".

Divisors: 1 2 7 13 14 17 26 34 91 119 182 221 238 442 1547 3094 68591833 137183666 480142831 891693829 960285662 1166061161 1783387658 2332122322 6241856803 8162428127 12483713606 15158795093 16324856254 30317590186 106111565651 212223131302