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212100303132 = 223210357200729
BaseRepresentation
bin1100010110001000101…
…0011100100100011100
3202021110122010202212200
43011202022130210130
511433340134200012
6241234301331500
721216020554464
oct3054212344434
9667418122780
10212100303132
1181a51101023
1235133b66b90
13170021a2463
14a3a116cba4
1557b59093dc
hex316229c91c

212100303132 has 36 divisors (see below), whose sum is σ = 541347708720. Its totient is φ = 70013691072.

The previous prime is 212100303109. The next prime is 212100303133. The reversal of 212100303132 is 231303001212.

212100303132 is a `hidden beast` number, since 21 + 210 + 0 + 303 + 132 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212100303133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28596657 + ... + 28604072.

Almost surely, 2212100303132 is an apocalyptic number.

It is an amenable number.

212100303132 is an abundant number, since it is smaller than the sum of its proper divisors (329247405588).

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

212100303132 is a wasteful number, since it uses less digits than its factorization.

212100303132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57200842 (or 57200837 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 212100303132 its reverse (231303001212), we get a palindrome (443403304344).

The spelling of 212100303132 in words is "two hundred twelve billion, one hundred million, three hundred three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 103 206 309 412 618 927 1236 1854 3708 57200729 114401458 171602187 228802916 343204374 514806561 686408748 1029613122 2059226244 5891675087 11783350174 17675025261 23566700348 35350050522 53025075783 70700101044 106050151566 212100303132